A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. In a narrower sense, a city can be defined as a permanent and densely populated place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing , transportation , sanitation , utilities , land use , production of goods , and communication . Their density facilitates interaction between people, government organizations , and businesses , sometimes benefiting different parties in the process, such as improving the efficiency of goods and service distribution.
98-431: New Carrollton is a city located in central Prince George's County, Maryland , United States. As of the 2020 census , the population was 13,715. New Carrollton is located 10 miles (16 km) east of central Washington, D.C. New Carrollton is built on the former estate of a horse racing figure, Edward L. Mahoney. After Mahoney's death in 1957, the land was acquired by developer Albert W. Turner, who sought to create
196-573: A central area containing buildings with special economic, political, and religious significance. Archaeologists refer to this area by the Greek term temenos or if fortified as a citadel . These spaces historically reflect and amplify the city's centrality and importance to its wider sphere of influence . Today cities have a city center or downtown , sometimes coincident with a central business district . Cities typically have public spaces where anyone can go. These include privately owned spaces open to
294-665: A central authority. The term can also refer either to the physical streets and buildings of the city or to the collection of people who dwell there and can be used in a general sense to mean urban rather than rural territory . National censuses use a variety of definitions – invoking factors such as population , population density , number of dwellings , economic function, and infrastructure – to classify populations as urban. Typical working definitions for small-city populations start at around 100,000 people. Common population definitions for an urban area (city or town) range between 1,500 and 50,000 people, with most U.S. states using
392-461: A central point. This form could evolve from successive growth over a long time, with concentric traces of town walls and citadels marking older city boundaries. In more recent history, such forms were supplemented by ring roads moving traffic around the outskirts of a town. Dutch cities such as Amsterdam and Haarlem are structured as a central square surrounded by concentric canals marking every expansion. In cities such as Moscow , this pattern
490-539: A combination of these. Societies that live in cities are often called civilizations . The degree of urbanization is a modern metric to help define what comprises a city: "a population of at least 50,000 inhabitants in contiguous dense grid cells (>1,500 inhabitants per square kilometer)". This metric was "devised over years by the European Commission , OECD , World Bank and others, and endorsed in March [2021] by
588-507: A combined question and a MENA category, while also collecting additional detail to enable data disaggregation. The OMB states, "many federal programs are put into effect based on the race data obtained from the decennial census (i.e., promoting equal employment opportunities; assessing racial disparities in health and environmental risks). Race data is also critical for the basic research behind many policy decisions. States require this data to meet legislative redistricting requirements. The data
686-604: A continuous urban landscape called urban agglomeration , conurbation , or megalopolis (exemplified by the BosWash corridor of the Northeastern United States .) The emergence of cities from proto-urban settlements , such as Çatalhöyük , is a non-linear development that demonstrates the varied experiences of early urbanization . The cities of Jericho , Aleppo , Byblos , Faiyum , Yerevan , Athens , Matera , Damascus , and Argos are among those laying claim to
784-430: A distinctive elite social class, but it should indeed be considered a city based on a functional redefinition of urban development. In particular, Jenné-Jeno featured settlement mounds arranged according to a horizontal, rather than vertical, power hierarchy, and served as a center of specialized production and exhibited functional interdependence with the surrounding hinterland. More recently, scholars have concluded that
882-466: A grid plan with specialized districts used across the Hellenistic Mediterranean . The urban-type settlement extends far beyond the traditional boundaries of the city proper in a form of development sometimes described critically as urban sprawl . Decentralization and dispersal of city functions (commercial, industrial, residential, cultural, political) has transformed the very meaning of
980-507: A key role in both the economy and government. Late antique cities in the East were also undergoing intense transformations, with increased political participation of the crowds and demographical fluctuations. Christian communities and their doctrinal differences increasingly shaped the urban fabric. The locus of power shifted to Constantinople and to the ascendant Islamic civilization with its major cities Baghdad , Cairo , and Córdoba . From
1078-505: A male householder with no wife present, and 32.0% were non-families. 25.4% of all households were made up of individuals, and 5.5% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.66. The median age in the city was 33 years. 26.2% of residents were under the age of 18; 10% were between the ages of 18 and 24; 30.7% were from 25 to 44; 24.8% were from 45 to 64; and 8.2% were 65 years of age or older. The gender makeup of
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#17328556189051176-520: A minimum between 1,500 and 5,000 inhabitants. Some jurisdictions set no such minima. In the United Kingdom , city status is awarded by the Crown and then remains permanent. (Historically, the qualifying factor was the presence of a cathedral , resulting in some very small cities such as Wells , with a population of 12,000 as of 2018 , and St Davids , with a population of 1,841 as of 2011 .) According to
1274-519: A person's origins considered in the census. Thus, in addition to their race or races, all respondents are categorized by membership in one of two ethnic categories, which are "Hispanic or Latino" and "Not Hispanic or Latino." However, the practice of separating "race" and "ethnicity" as different categories has been criticized both by the American Anthropological Association and members of US Commission on Civil Rights . In 1997,
1372-587: A planned suburb . He had received a charter for a City of Carrollton from the Maryland General Assembly four years earlier, on April 11, 1953. Carrollton was named after early Maryland settler Charles Carroll of Carrollton , a delegate to the Continental Congress and the last surviving signatory of the Declaration of Independence . As two other Maryland communities were also named Carrollton,
1470-688: A privileged elite among towns having won self-governance from their local lord or having been granted self-governance by the emperor and being placed under his immediate protection. By 1480, these cities, as far as still part of the empire, became part of the Imperial Estates governing the empire with the emperor through the Imperial Diet . By the 13th and 14th centuries, some cities become powerful states, taking surrounding areas under their control or establishing extensive maritime empires. In Italy, medieval communes developed into city-states including
1568-520: A race. Enumerators were instructed that all people born in Mexico, or whose parents were born in Mexico, should be listed as Mexicans, and not under any other racial category. In prior censuses and in 1940, enumerators were instructed to list Mexican Americans as white, perhaps because some of them were of white background (mainly Spanish), many others mixed white and Native American and some of them Native American. The supplemental American Indian questionnaire
1666-495: A rule cannot produce their own food and therefore must develop some relationship with a hinterland that sustains them. Only in special cases such as mining towns which play a vital role in long-distance trade, are cities disconnected from the countryside which feeds them. Thus, centrality within a productive region influences siting, as economic forces would, in theory, favor the creation of marketplaces in optimal mutually reachable locations. The vast majority of cities have
1764-675: A separate question. The racial categories represent a social-political construct for the race or races that respondents consider themselves to be and, "generally reflect a social definition of race recognized in this country". The OMB defines the concept of race as outlined for the census to be not "scientific or anthropological", and takes into account "social and cultural characteristics as well as ancestry", using "appropriate scientific methodologies" that are not "primarily biological or genetic in reference." The race categories include both racial and national-origin groups. Race and ethnicity are considered separate and distinct identities, with
1862-549: A super-wealthy elite living in gated communities and large masses of people living in substandard housing with inadequate infrastructure and otherwise poor conditions. Cities around the world have expanded physically as they grow in population, with increases in their surface extent, with the creation of high-rise buildings for residential and commercial use, and with development underground. Urbanization can create rapid demand for water resources management , as formerly good sources of freshwater become overused and polluted, and
1960-423: A temple. A minority viewpoint considers that cities may have arisen without agriculture, due to alternative means of subsistence (fishing), to use as communal seasonal shelters, to their value as bases for defensive and offensive military organization, or to their inherent economic function. Cities played a crucial role in the establishment of political power over an area, and ancient leaders such as Alexander
2058-633: A voter referendum on May 2, 1966, approved the renaming of the community to New Carrollton. New Carrollton is served by the Prince George's County Public Schools . Portions of New Carrollton are zoned to the following elementary schools: Almost all residents are zoned to Charles Carroll Middle School (6130 Lamont Drive) while some are zoned to Thomas Johnson Middle School. Almost all residents are zoned to Parkdale High School (6001 Good Luck Road) while some are zoned to DuVal High School . In addition, Margaret Brent Regional Center (5816 Lamont Terrace),
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#17328556189052156-567: A workers' town associated with the pyramid of Senusret II , and the religious city Amarna built by Akhenaten and abandoned. These sites appear planned in a highly regimented and stratified fashion, with a minimalistic grid of rooms for the workers and increasingly more elaborate housing available for higher classes. In Mesopotamia, the civilization of Sumer , followed by Assyria and Babylon , gave rise to numerous cities, governed by kings and fostered multiple languages written in cuneiform . The Phoenician trading empire, flourishing around
2254-471: A world of intensifying globalization , all cities are to varying degrees also connected globally beyond these regions. This increased influence means that cities also have significant influences on global issues , such as sustainable development , climate change , and global health . Because of these major influences on global issues, the international community has prioritized investment in sustainable cities through Sustainable Development Goal 11 . Due to
2352-527: Is Interstate 95 / Interstate 495 (the Capital Beltway). I-495 follows the Capital Beltway around Washington, D.C. , providing access to its many other suburbs. I-95 only follows the eastern portion of the beltway, diverging away from the beltway near both its north and south sides. To the north, I-95 passes through Baltimore , Philadelphia , New York City and Boston on its way to Canada , while to
2450-698: Is a school for children with special needs, is located in New Carrollton. Prince George's County Memorial Library System operates the New Carrollton Library. New Carrollton is located at 38°57′59″N 76°52′36″W / 38.96639°N 76.87667°W / 38.96639; -76.87667 (38.966360, -76.876643). According to the United States Census Bureau , the city has a total area of 1.53 square miles (3.96 km), all land. The most prominent highway serving New Carrollton
2548-530: Is from the Indian subcontinent ) were counted as White. There was a questionnaire that was asked of only a sample of respondents. These questions were as follows: Questions on Spanish or Hispanic Origin or Descent Is this person's origin or descent? Mexican Puerto Rican Cuban Central American Other Spanish No, none of these This year added several options to the race question, including Vietnamese, Indian (East), Guamanian, Samoan, and re-added Aleut. Again,
2646-591: Is needed to monitor compliance with the Voting Rights Act by local jurisdictions". Data on ethnic groups are important for putting into effect a number of federal statutes (i.e., enforcing bilingual election rules under the Voting Rights Act and monitoring/enforcing equal employment opportunities under the Civil Rights Act ). Data on ethnic groups is also needed by local governments to run programs and meet legislative requirements (i.e., identifying segments of
2744-508: Is still clearly visible. A system of rectilinear city streets and land plots, known as the grid plan , has been used for millennia in Asia, Europe, and the Americas. The Indus Valley Civilization built Mohenjo-Daro , Harappa , and other cities on a grid pattern, using ancient principles described by Kautilya , and aligned with the compass points . The ancient Greek city of Priene exemplifies
2842-420: Is the most urban continent, with four-fifths of its population living in cities, including one-fifth of the population said to live in shantytowns ( favelas , poblaciones callampas , etc.). Batam , Indonesia , Mogadishu , Somalia , Xiamen , China , and Niamey , Niger , are considered among the world's fastest-growing cities, with annual growth rates of 5–8%. In general, the more developed countries of
2940-519: Is the second Black mayor of New Carrollton and the second woman elected as mayor. The New Carrollton Police Department is the primary law enforcement agency, servicing the city. The Prince George's County Police Department District 1 Station in Hyattsville and District 2 Station in Brock Hall CDP , along with the Prince George's County Sheriff's Office and Maryland State Police assist in serving
3038-677: The Penn Line of the MARC commuter rail service. The adjacent New Carrollton station of the Washington Metro is the eastern terminus of the Orange Line . As of the census of 2010, there were 12,135 people, 3,952 households, and 2,688 families living in the city. The population density was 7,931.4 inhabitants per square mile (3,062.3/km). There were 4,256 housing units at an average density of 2,781.7 per square mile (1,074.0/km). The racial makeup of
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3136-586: The Republic of Venice and the Republic of Genoa . In Northern Europe, cities including Lübeck and Bruges formed the Hanseatic League for collective defense and commerce. Their power was later challenged and eclipsed by the Dutch commercial cities of Ghent , Ypres , and Amsterdam . Similar phenomena existed elsewhere, as in the case of Sakai , which enjoyed considerable autonomy in late medieval Japan. In
3234-836: The Secretary of State , directed US Marshals to collect data from all 13 original states, and from the Southwest Territory . The census was not conducted in Vermont until 1791, after that state's admission to the Union as the 14th state on March 4 of that year. Some doubt surrounded the numbers, as President George Washington and Thomas Jefferson maintained the population was undercounted. The potential reasons Washington and Jefferson may have thought this could be refusal to participate, poor public transportation and roads, spread-out population, and restraints of current technology. No microdata from
3332-469: The US Constitution and applicable laws. The law required that every household be visited, that completed census schedules be posted in two of the most public places within each jurisdiction, remain for the inspection of all concerned, and that "the aggregate amount of each description of persons" for every district be transmitted to the president . The US Marshals were also responsible for governing
3430-931: The United Nations ... largely for the purpose of international statistical comparison". The word city and the related civilization come from the Latin root civitas , originally meaning 'citizenship' or 'community member' and eventually coming to correspond with urbs , meaning 'city' in a more physical sense. The Roman civitas was closely linked with the Greek polis —another common root appearing in English words such as metropolis . In toponymic terminology, names of individual cities and towns are called astionyms (from Ancient Greek ἄστυ 'city or town' and ὄνομα 'name'). Urban geography deals both with cities in their larger context and with their internal structure. Cities are estimated to cover about 3% of
3528-501: The Uruk period . In the fourth and third millennium BC , complex civilizations flourished in the river valleys of Mesopotamia , India , China , and Egypt . Excavations in these areas have found the ruins of cities geared variously towards trade, politics, or religion. Some had large, dense populations , but others carried out urban activities in the realms of politics or religion without having large associated populations. Among
3626-716: The civilization of Djenne-Djenno was likely established by the Mande progenitors of the Bozo people . Their habitation of the site spanned the period from 3rd century BCE to 13th century CE. Archaeological evidence from Jenné-Jeno, specifically the presence of non-West African glass beads dated from the third century BCE to the fourth century CE, indicates that pre-Arabic trade contacts probably existed between Jenné-Jeno and North Africa. Additionally, other early urban centers in West Africa, dated to around 500 CE, include Awdaghust , Kumbi Saleh ,
3724-724: The commune ( in France and Chile ; or comune in Italy). White (U.S. Census) In the United States census , the US Census Bureau and the Office of Management and Budget (OMB) define a set of self-identified categories of race and ethnicity chosen by residents, with which they most closely identify. Residents can indicate their origins alongside their race, and are asked specifically whether they are of Hispanic or Latino origin in
3822-427: The government workers . (This arrangement contrasts with the more typically horizontal relationships in a tribe or village accomplishing common goals through informal agreements between neighbors, or the leadership of a chief.) The governments may be based on heredity, religion, military power, work systems such as canal-building, food distribution, land-ownership, agriculture, commerce, manufacturing, finance, or
3920-530: The knowledge economy . A new smart city paradigm, supported by institutions such as the RAND Corporation and IBM , is bringing computerized surveillance , data analysis, and governance to bear on cities and city dwellers. Some companies are building brand-new master-planned cities from scratch on greenfield sites. Urbanization is the process of migration from rural to urban areas, driven by various political, economic, and cultural factors. Until
4018-556: The service economy and public-private partnerships , with concomitant gentrification , uneven revitalization efforts , and selective cultural development. Under the Great Leap Forward and subsequent five-year plans continuing today, China has undergone concomitant urbanization and industrialization and become the world's leading manufacturer . Amidst these economic changes, high technology and instantaneous telecommunication enable select cities to become centers of
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4116-535: The " Global North " remain more urbanized than the less developed countries of the " Global South "—but the difference continues to shrink because urbanization is happening faster in the latter group. Asia is home to by far the greatest absolute number of city-dwellers: over two billion and counting. The UN predicts an additional 2.5 billion city dwellers (and 300 million fewer country dwellers) worldwide by 2050, with 90% of urban population expansion occurring in Asia and Africa. Megacities , cities with populations in
4214-417: The "Color or Race" question was slightly modified, removing the term "Mulatto". Also, there was an inclusion of an "Indian Population Schedule" in which "enumerators were instructed to use a special expanded questionnaire for American Indians living on reservations or in family groups off of reservations." This expanded version included the question "Fraction of person's lineage that is white." The 1910 census
4312-539: The "functional definition", a city is not distinguished by size alone, but also by the role it plays within a larger political context. Cities serve as administrative, commercial, religious, and cultural hubs for their larger surrounding areas. The presence of a literate elite is often associated with cities because of the cultural diversities present in a city. A typical city has professional administrators , regulations, and some form of taxation (food and other necessities or means to trade for them) to support
4410-513: The 1790 population census are available, but aggregate data for small areas and their compatible cartographic boundary files, can be downloaded from the National Historical Geographic Information System . However, the categories of "Free white males" of 16 years and upward, including heads of families under 16 years, "Free white females", including heads of families, All other free persons, and "Slaves," existed in
4508-524: The 18th century), Ile-Ifẹ̀ (70,000 to 105,000 inhabitants in the 14th and 15th centuries), Niani (50,000 inhabitants in 1400 AD) and Timbuktu (100,000 inhabitants in 1450 AD). In the West, nation-states became the dominant unit of political organization following the Peace of Westphalia in the seventeenth century. Western Europe's larger capitals (London and Paris) benefited from the growth of commerce following
4606-420: The 18th century, an equilibrium existed between the rural agricultural population and towns featuring markets and small-scale manufacturing. With the agricultural and industrial revolutions urban population began its unprecedented growth, both through migration and demographic expansion . In England , the proportion of the population living in cities jumped from 17% in 1801 to 72% in 1891. In 1900, 15% of
4704-414: The 2000 and 2010 censuses. The following questions were asked of a sample of respondents for the 1990 census : The 1990 census was not designed to capture multiple racial responses, and when individuals marked the "other" race option and provided a multiple write-in. The response was assigned according to the race written first. "For example, a write-in of 'black-white' was assigned a code of 'black,' while
4802-698: The 30th and 18th centuries BC. Mesoamerica saw the rise of early urbanism in several cultural regions, beginning with the Olmec and spreading to the Preclassic Maya , the Zapotec of Oaxaca, and Teotihuacan in central Mexico. Later cultures such as the Aztec , Andean civilizations , Mayan , Mississippians , and Pueblo peoples drew on these earlier urban traditions. Many of their ancient cities continue to be inhabited, including major metropolitan cities such as Mexico City , in
4900-722: The 9th through the end of the 12th century, Constantinople , the capital of the Eastern Roman Empire , was the largest and wealthiest city in Europe, with a population approaching 1 million. The Ottoman Empire gradually gained control over many cities in the Mediterranean area, including Constantinople in 1453 . In the Holy Roman Empire , beginning in the 12th century, free imperial cities such as Nuremberg , Strasbourg , Frankfurt , Basel , Zürich , and Nijmegen became
4998-552: The Andes, the first urban centers developed in the Norte Chico civilization , Chavin and Moche cultures, followed by major cities in the Huari , Chimu , and Inca cultures. The Norte Chico civilization included as many as 30 major population centers in what is now the Norte Chico region of north-central coastal Peru . It is the oldest known civilization in the Americas, flourishing between
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#17328556189055096-519: The Great founded and created them with zeal. Jericho and Çatalhöyük , dated to the eighth millennium BC , are among the earliest proto-cities known to archaeologists. However, the Mesopotamian city of Uruk from the mid-fourth millennium BC (ancient Iraq) is considered by most archaeologists to be the first true city, innovating many characteristics for cities to follow, with its name attributed to
5194-464: The OMB built on the 1997 guidelines and suggested the addition of a Middle Eastern or North African (MENA) racial category and considered combining racial and ethnic categories into one question. In March 2024, the Office of Management and Budget published revisions to Statistical Policy Directive No. 15: Standards for Maintaining, Collecting, and Presenting Federal Data on Race and Ethnicity that included
5292-405: The OMB issued a Federal Register notice regarding revisions to the standards for the classification of federal data on race and ethnicity. The OMB developed race and ethnic standards in order to provide "consistent data on race and ethnicity throughout the federal government ". The development of the data standards stem in large measure from new responsibilities to enforce civil rights laws. Among
5390-530: The ancient capital of Ghana, and Maranda , a center located on a trade route between Egypt and Gao. The dissolution of the Roman Empire in the West was connected with profound changes in urban fabric of western Europe. In places where Roman administration quickly weakened urbanism went through a profound crisis, even if it continued to remain an important symbolic factor. In regions like Italy or Spain cities diminished in size but nevertheless continued to play
5488-460: The athletic, artistic, spiritual, and political life of the polis. Rome was the first city that surpassed one million inhabitants. Under the authority of its empire , Rome transformed and founded many cities ( Colonia ), and with them brought its principles of urban architecture, design, and society. In the ancient Americas , early urban traditions developed in the Andes and Mesoamerica . In
5586-402: The average family size was 3.34. In the city, the population was spread out, with 27.9% under the age of 18, 9.6% from 18 to 24, 33.6% from 25 to 44, 21.3% from 45 to 64, and 7.6% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 93.7 males. For every 100 females age 18 and over, there were 89.5 males. The median income for a household in the city
5684-407: The benefit of mitigating the urban heat island effect, especially in cities that are in warmer climates. These spaces prevent carbon imbalances, extreme habitat losses, electricity and water consumption, and human health risks. The urban structure generally follows one or more basic patterns: geomorphic, radial, concentric, rectilinear, and curvilinear. The physical environment generally constrains
5782-418: The census form. In 1800 and 1810, the age question regarding free white males was more detailed with five cohorts and included All other free persons, except "Indians not taxed", and "Slaves". The 1820 census built on the questions asked in 1810 by asking age questions about slaves. Also the term "colored" entered the census nomenclature. In addition, a question stating "Number of foreigners not naturalized"
5880-418: The census. About one-third of the original census data has been lost or destroyed since documentation. The data was lost in 1790–1830, and included data from Connecticut , Delaware , Georgia , Maine , Maryland , Massachusetts , New Hampshire , New Jersey , New York , North Carolina , Pennsylvania , Rhode Island , South Carolina , Vermont , and Virginia . However, the census was proven factual and
5978-483: The changes, The OMB issued the instruction to "mark one or more races" after noting evidence of increasing numbers of mixed-race children and wanting to record diversity in a measurable way after having received requests by people who wanted to be able to acknowledge theirs and their children's full ancestry, rather than identifying with only one group. Prior to this decision, the census and other government data collections asked people to report singular races. As of 2023,
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#17328556189056076-423: The city was 15.2% White , 59.5% African American , 0.6% Native American , 4.2% Asian , 17.8% from other races , and 2.6% from two or more races. Hispanic or Latino of any race were 26.4% of the population. There were 3,952 households, of which 39.6% had children under the age of 18 living with them, 40.4% were married couples living together, 21.0% had a female householder with no husband present, 6.7% had
6174-577: The city was 48.8% male and 51.2% female. As of the census of 2000, there were 12,589 people, 4,568 households, and 3,074 families living in the city. The population density was 8,288.5 inhabitants per square mile (3,200.2/km). There were 4,749 housing units at an average density of 3,126.7 per square mile (1,207.2/km). The racial makeup of the city was 21.81% White , 67.50% African American , 0.24% Native American , 4.81% Asian , 0.06% Pacific Islander , 3.10% from other races , and 2.48% from two or more races. Hispanic or Latino of any race were 6.57% of
6272-522: The community. City Historically, city dwellers have been a small proportion of humanity overall, but following two centuries of unprecedented and rapid urbanization , more than half of the world population now lives in cities, which has had profound consequences for global sustainability . Present-day cities usually form the core of larger metropolitan areas and urban areas —creating numerous commuters traveling toward city centres for employment, entertainment, and education. However, in
6370-630: The decision and make sure the federal government treated Hispanics as white. The State Department, the Census Bureau, the Labor Department, and other government agencies therefore made sure to uniformly classify people of Mexican descent as white. This policy encouraged the League of United Latin American Citizens in its quest to minimize discrimination by asserting their whiteness. The 1940 census
6468-536: The design of the population questionnaire. Residents were still listed individually, but a new questionnaire sheet was used for each family. Additionally, this was the first year that the census distinguished among different Asian ethnic groups, such as Japanese and Chinese , due to increased immigration. This census also marked the beginning of the term "race" in the questionnaires. Enumerators were instructed to write "White", "Black", "Mulatto", " Quadroon ", "Octoroon", "Chinese", "Japanese", or " Indian ". During 1900,
6566-536: The early Old World cities, Mohenjo-daro of the Indus Valley civilization in present-day Pakistan , existing from about 2600 BC, was one of the largest, with a population of 50,000 or more and a sophisticated sanitation system . China's planned cities were constructed according to sacred principles to act as celestial microcosms . The Ancient Egyptian cities known physically by archaeologists are not extensive. They include (known by their Arab names) El Lahun ,
6664-671: The efficiency of transportation and the smaller land consumption , dense cities hold the potential to have a smaller ecological footprint per inhabitant than more sparsely populated areas. Therefore, compact cities are often referred to as a crucial element in fighting climate change. However, this concentration can also have some significant negative consequences, such as forming urban heat islands , concentrating pollution , and stressing water supplies and other resources. A city can be distinguished from other human settlements by its relatively great size, but also by its functions and its special symbolic status , which may be conferred by
6762-479: The emergence of an Atlantic trade. However, most towns remained small. During the Spanish colonization of the Americas, the old Roman city concept was extensively used. Cities were founded in the middle of the newly conquered territories and were bound to several laws regarding administration, finances, and urbanism. The growth of the modern industry from the late 18th century onward led to massive urbanization and
6860-456: The existence of most of this data can be confirmed in many secondary sources pertaining to the first census. Census data included the name of the head of the family and categorized inhabitants as: free white males at least 16 years of age (to assess the country's industrial and military potential), free white males under 16 years of age, free white females, all other free persons (reported by sex and color), and slaves . Thomas Jefferson , then
6958-791: The first millennium AD, the Khmer capital of Angkor in Cambodia grew into the most extensive preindustrial settlement in the world by area, covering over 1,000 km and possibly supporting up to one million people. West Africa already had cities before the Common Era , but the consolidation of Trans-Saharan trade in the Middle Ages multiplied the number of cities in the region, as well as making some of them very populous, notably Gao (72,000 inhabitants in 800 AD), Oyo-Ile (50,000 inhabitants in 1400 AD, and may have reached up to 140,000 inhabitants in
7056-440: The form in which a city is built. If located on a mountainside, urban structures may rely on terraces and winding roads. It may be adapted to its means of subsistence (e.g. agriculture or fishing). And it may be set up for optimal defense given the surrounding landscape. Beyond these "geomorphic" features, cities can develop internal patterns, due to natural growth or to city planning . In a radial structure, main roads converge on
7154-480: The free inhabitants schedule about color was a column that was to be left blank if a person were white, marked "B" if a person were black, and marked "M" if a person were mulatto . Slaves were listed by owner, and classified by gender and age, not individually, and the question about color was a column that was to be marked with a "B" if the slave were black and an "M" if mulatto. For 1890, the Census Office changed
7252-468: The land surface of the Earth. Town siting has varied through history according to natural, technological, economic, and military contexts. Access to water has long been a major factor in city placement and growth, and despite exceptions enabled by the advent of rail transport in the nineteenth century, through the present most of the world's urban population lives near the coast or on a river. Urban areas as
7350-475: The longest continual inhabitation . Cities, characterized by population density , symbolic function, and urban planning , have existed for thousands of years. In the conventional view, civilization and the city were both followed by the development of agriculture , which enabled the production of surplus food and thus a social division of labor (with concomitant social stratification ) and trade . Early cities often featured granaries , sometimes within
7448-492: The multi-millions, have proliferated into the dozens, arising especially in Asia, Africa, and Latin America. Economic globalization fuels the growth of these cities, as new torrents of foreign capital arrange for rapid industrialization, as well as the relocation of major businesses from Europe and North America, attracting immigrants from near and far. A deep gulf divides the rich and poor in these cities, which usually contain
7546-652: The population who may not be receiving medical services under the Public Health Service Act ; evaluating whether financial institutions are meeting the credit needs of minority populations under the Community Reinvestment Act ). The 1790 United States census was the first census in the history of the United States. The population of the United States was recorded as 3,929,214 as of Census Day, August 2, 1790, as mandated by Article I, Section 2 of
7644-408: The population. There were 4,568 households, out of which 34.8% had children under the age of 18 living with them, 40.6% were married couples living together, 20.7% had a female householder with no husband present, and 32.7% were non-families. 25.7% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.75 and
7742-500: The public as well as forms of public land such as public domain and the commons . Western philosophy since the time of the Greek agora has considered physical public space as the substrate of the symbolic public sphere . Public art adorns (or disfigures) public spaces. Parks and other natural sites within cities provide residents with relief from the hardness and regularity of typical built environments . Urban green spaces are another component of public space that provides
7840-451: The race of interracial persons. A person with both white and black ancestry (termed "blood") was to be recorded as "Negro", no matter the fraction of that lineage (the " one-drop rule "). A person of mixed black and American Indian ancestry was also to be recorded as "Neg" (for "Negro") unless they were considered to be "predominantly" American Indian and accepted as such within the community. A person with both white and American Indian ancestry
7938-507: The racial question, and also removed Hindu and Korean from the race choices. The 1960 census re-added the word "color" to the racial question, and changed "Indian" to "American Indian", as well as adding Hawaiian, Part-Hawaiian, Aleut, and Eskimo. The "Other (print out race)" option was removed. This year's census included "Negro or Black", re-added Korean and the Other race option. East Indians (the term used at that time for people whose ancestry
8036-810: The rise of new great cities, first in Europe and then in other regions, as new opportunities brought huge numbers of migrants from rural communities into urban areas. England led the way as London became the capital of a world empire and cities across the country grew in locations strategic for manufacturing . In the United States from 1860 to 1910, the introduction of railroads reduced transportation costs, and large manufacturing centers began to emerge, fueling migration from rural to city areas. Some industrialized cities were confronted with health challenges associated with overcrowding , occupational hazards of industry, contaminated water and air, poor sanitation , and communicable diseases such as typhoid and cholera . Factories and slums emerged as regular features of
8134-680: The same location as Tenochtitlan ; while ancient continuously inhabited Pueblos are near modern urban areas in New Mexico , such as Acoma Pueblo near the Albuquerque metropolitan area and Taos Pueblo near Taos ; while others like Lima are located nearby ancient Peruvian sites such as Pachacamac . From 1600 BC, Dhar Tichitt , in the south of present-day Mauritania , presented characteristics suggestive of an incipient form of urbanism. The second place to show urban characteristics in West Africa
8232-465: The south, it traverses Richmond on its way to Florida . Direct access to New Carrollton is via Maryland Route 450 . Maryland Route 410 and Maryland Route 433 also serve New Carrollton. The New Carrollton station is located just outside the city limits to the south. It is the first Amtrak station on the Northeast Corridor that is north of Washington Union Station . It is also served by
8330-427: The term "color" was removed from the racial question, and the following questions were asked of a sample of respondents: Questions on Spanish or Hispanic Origin or Descent Is this person of Spanish/Hispanic origin or descent? No, not Spanish/Hispanic Yes, Mexican, Mexican American, Chicano Yes, Puerto Rican Yes, Cuban Yes, other Spanish/Hispanic The racial categories in this year are as they appear in
8428-486: The term and has challenged geographers seeking to classify territories according to an urban-rural binary. Metropolitan areas include suburbs and exurbs organized around the needs of commuters , and sometimes edge cities characterized by a degree of economic and political independence. (In the US these are grouped into metropolitan statistical areas for purposes of demography and marketing .) Some cities are now part of
8526-412: The turn of the first millennium BC , encompassed numerous cities extending from Tyre , Cydon , and Byblos to Carthage and Cádiz . In the following centuries, independent city-states of Greece , especially Athens , developed the polis , an association of male landowning citizens who collectively constituted the city. The agora , meaning "gathering place" or "assembly", was the center of
8624-446: The urban landscape. In the second half of the 20th century, deindustrialization (or " economic restructuring ") in the West led to poverty , homelessness , and urban decay in formerly prosperous cities. America's "Steel Belt" became a " Rust Belt " and cities such as Detroit , Michigan, and Gary, Indiana began to shrink , contrary to the global trend of massive urban expansion. Such cities have shifted with varying success into
8722-575: The volume of sewage begins to exceed manageable levels. The local government of cities takes different forms including prominently the municipality (especially in England , in the United States , India , and other British colonies ; legally, the municipal corporation ; municipio in Spain and Portugal , and, along with municipalidad , in most former parts of the Spanish and Portuguese empires) and
8820-512: The world's population lived in cities. The cultural appeal of cities also plays a role in attracting residents. Urbanization rapidly spread across Europe and the Americas and since the 1950s has taken hold in Asia and Africa as well. The Population Division of the United Nations Department of Economic and Social Affairs reported in 2014 that for the first time, more than half of the world population lives in cities. Latin America
8918-532: Was Dia , in present-day Mali , from 800 BC. Both Dhar Tichitt and Dia were founded by the same people: the Soninke , who would later also found the Ghana Empire . Another ancient site, Jenné-Jeno , in what is today Mali , has been dated to the third century BCE. According to Roderick and Susan McIntosh, Jenné-Jeno did not fit into traditional Western conceptions of urbanity as it lacked monumental architecture and
9016-404: Was $ 51,930, and the median income for a family was $ 56,696. Males had a median income of $ 35,438 versus $ 35,599 for females. The per capita income for the city was $ 21,654. About 5.9% of families and 7.1% of the population were below the poverty line , including 7.5% of those under age 18 and 4.1% of those age 65 or over. The Mayor of New Carrollton is Katrina Dodro. Elected in 2023, Mayor Dodro
9114-443: Was back, but in abbreviated form. It featured a question asking if the person was of full or mixed American Indian ancestry. President Franklin D. Roosevelt promoted a Good Neighbor policy that sought better relations with Mexico. In 1935, a federal judge ruled that three Mexican immigrants were ineligible for citizenship because they were not white, as required by federal law. Mexico protested, and Roosevelt decided to circumvent
9212-423: Was included. In the 1830 census, a new question, which stated, "The number of White persons who were foreigners not naturalized" was included. The 1850 census had a dramatic shift in the way information about residents was collected. For the first time, free persons were listed individually instead of by head of household. Two questionnaires were used - one for free inhabitants and one for slaves. The question on
9310-421: Was similar to 1910, but excluded a separate schedule for American Indians. "Hin", "Kor", and "Fil" were also added to the "Color or Race" question, signifying Hindu (Asian Indian), Korean, and Filipino, respectively. The biggest change in this census was in racial classification. Enumerators were instructed to no longer use the "Mulatto" classification. Instead, they were given special instructions for reporting
9408-527: Was similar to that of 1900, but it included a reinsertion of "Mulatto" and a question about the "mother tongue" of foreign-born individuals and individuals with foreign-born parents. "Ot" was also added to signify "other races", with space for a race to be written in. This decade's version of the Indian Population Schedule featured questions asking the individual's proportion of white, black, or American Indian lineage. The 1920 census questionnaire
9506-415: Was the first to include separate population and housing questionnaires. The race category of "Mexican" was eliminated in 1940, and the population of Mexican descent was counted with the white population. 1940 census data was used for Japanese American internment . The Census Bureau's role was denied for decades, but was finally proven in 2007. The 1950 census questionnaire removed the word "color" from
9604-410: Was to be recorded as American Indian, unless their Indigenous ancestry was small, and they were accepted as white within the community. In all situations in which a person had white and some other racial ancestry, they were to be reported as that other race. People who had minority interracial ancestry were to be reported as the race of their father. For the first and only time, "Mexican" was listed as
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