A census (from Latin censere , 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given population , usually displayed in the form of statistics. This term is used mostly in connection with national population and housing censuses ; other common censuses include censuses of agriculture , traditional culture, business, supplies, and traffic censuses. The United Nations (UN) defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every ten years. UN recommendations also cover census topics to be collected, official definitions, classifications, and other useful information to coordinate international practices.
79-703: Columbus Junction is a city in Louisa County , Iowa . The population was 1,830 at the 2020 census . It is part of the Muscatine Micropolitan Statistical Area . Columbus Junction is home of the historic Swinging Bridge, found one block south of Highway 92 near downtown. The 262-foot-long steel cable and wood suspension bridge was built in 1922 as an elevated walkway connecting Third and Fourth streets. The Columbus Community School District (which serves Columbus Junction, Columbus City, Fredonia, Cotter, Conesville, and other surrounding townships)
158-638: A base-10 positional system. On May 25, 1577, King Philip II of Spain ordered by royal cédula the preparation of a general description of Spain's holdings in the Indies. Instructions and a questionnaire, issued in 1577 by the Office of the Cronista Mayor, were distributed to local officials in the Viceroyalties of New Spain and Peru to direct the gathering of information. The questionnaire, composed of fifty items,
237-533: A census for tax purposes, which was partially responsible for the development of the Zealot movement and several failed rebellions against Rome ultimately ending in the Jewish Diaspora . The Gospel of Luke makes reference to Quirinius' census in relation to the birth of Jesus ; based on variant readings of this passage, a minority of biblical scholars, including N. T. Wright , speculate that this passage refers to
316-408: A sampling frame such as an address register. Census counts are necessary to adjust samples to be representative of a population by weighting them as is common in opinion polling . Similarly, stratification requires knowledge of the relative sizes of different population strata, which can be derived from census enumerations. In some countries, the census provides the official counts used to apportion
395-412: A sampling frame to count the population. This is the only way to be sure that everyone has been included, as otherwise those not responding would not be followed up on and individuals could be missed. The fundamental premise of a census is that the population is not known, and a new estimate is to be made by the analysis of primary data. The use of a sampling frame is counterintuitive as it suggests that
474-480: A "permanent" address, which might be a family home for students or long-term migrants. A precise definition of residence is needed, to decide whether visitors to a country should be included in the population count. This is becoming more important as students travel abroad for education for a period of several years. Other groups causing problems with enumeration are newborn babies, refugees, people away on holiday, people moving home around census day, and people without
553-477: A clan or tribe, or by a juridical person such as a corporation, cooperative, or government agency. The holding's land may consist of one or more parcels, located in one or more separate areas or one or more territorial or administrative divisions, providing the parcels share the same production means, such as labor, farm buildings, machinery or draught animals. Historical censuses used crude enumeration assuming absolute accuracy. Modern approaches take into account
632-415: A family home during vacations, or children whose parents have separated who effectively have two family homes. Census enumeration has always been based on finding people where they live, as there is no systematic alternative: any list used to find people is likely to be derived from census activities in the first place. Recent UN guidelines provide recommendations on enumerating such complex households. In
711-499: A fishing analogy can be found in "Trout, Catfish and Roach..." which won an award from the Royal Statistical Society for excellence in official statistics in 2011. Triple system enumeration has been proposed as an improvement as it would allow evaluation of the statistical dependence of pairs of sources. However, as the matching process is the most difficult aspect of census estimation this has never been implemented for
790-414: A fixed address. People with second homes, because they are working in another part of the country or have a holiday cottage, are difficult to fix at a particular address; this sometimes causes double counting or houses being mistakenly identified as vacant. Another problem is where people use a different address at different times e.g. students living at their place of education in term time but returning to
869-535: A hog processing plant just north of the city. In 1985 the facility reopened under the ownership of IBP , and in 2001 was bought by Tyson Foods . Immigration has played a strong role in the history of Columbus Junction. The most recent wave of immigrants includes refugees from the Chin State of Myanmar (Burma) . Many of them work in the meat processing plants. The Iowa Flood of 2008 impacted Columbus Junction along with many other towns and cities. The damage dealt by
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#1733085634964948-450: A household in the city was $ 33,167, and the median income for a family was $ 42,188. Males had a median income of $ 27,841 versus $ 22,566 for females. The per capita income for the city was $ 16,314. About 9.7% of families and 11.2% of the population were below the poverty line , including 13.7% of those under age 18 and 8.2% of those age 65 or over. Louisa County, Iowa Louisa County ( / l u ˈ aɪ z ə / loo- EYE -zə )
1027-500: A large city, it might be appropriate to give the average income for black males aged between 50 and 60. However, doing this for a town that only has two black males in this age group would be a breach of privacy because either of those persons, knowing his own income and the reported average, could determine the other man's income. Typically, census data are processed to obscure such individual information. Some agencies do this by intentionally introducing small statistical errors to prevent
1106-469: A national enumeration. It would also be difficult to identify three different sources that were sufficiently different to make the triple system effort worthwhile. The DSE approach has another weakness in that it assumes there is no person counted twice (over count). In de facto residence definitions this would not be a problem but in de jure definitions individuals risk being recorded on more than one form leading to double counting. A particular problem here
1185-433: A population and housing census – numbers of people, their distribution, their living conditions and other key data – is critical for development." This is because this type of data is essential for policymakers so that they know where to invest. Many countries have outdated or inaccurate data about their populations and thus have difficulty in addressing the needs of the population. The UNFPA said: "The unique advantage of
1264-462: A population of 10,837 in the county, with a population density of 25.9886/sq mi (10.0343/km ). There were 4,712 housing units, of which 4,180 were occupied. The 2010 census recorded a population of 11,387 in the county, with a population density of 28.3315/sq mi (10.9389/km ). There were 5,002 housing units, of which 4,346 were occupied. As of the census of 2000, there were 12,183 people, 4,519 households, and 3,316 families residing in
1343-460: A realist approach to measurement, acknowledging that under any definition of residence there is a true value of the population but this can never be measured with complete accuracy. An important aspect of the census process is to evaluate the quality of the data. Many countries use a post-enumeration survey to adjust the raw census counts. This works similarly to capture-recapture estimation for animal populations. Among census experts, this method
1422-678: A separate registration conducted during the reign of Herod the Great , several years before Quirinius' census. The 15-year indiction cycle established by Diocletian in AD 297 was based on quindecennial censuses and formed the basis for dating in late antiquity and under the Byzantine Empire . In the Middle Ages , the Caliphate began conducting regular censuses soon after its formation, beginning with
1501-464: Is a county located in the U.S. state of Iowa . As of the 2020 census , the population was 10,837. The county seat is Wapello . Louisa County is part of the Muscatine Micropolitan Statistical Area . Louisa County was formed on December 7, 1836, as a part of Wisconsin Territory . Two theories have been offered for the origins of its name: one is that it was named after Louisa Massey , who
1580-545: Is based in Columbus Junction. The school's colors are blue and white and their mascot is a wildcat. The city's largest employer is a Tyson Foods meat processing plant located just north of the city on Highway 70 . Columbus Junction began as a settlement located at the intersection of two railroad lines. The Chicago, Rock Island and Pacific Railroad (also known as the Rock Island [Line]) built an east–west line through
1659-453: Is called dual system enumeration (DSE). A sample of households is visited by interviewers who record the details of the household as of census day. These data are then matched to census records, and the number of people missed can be estimated by considering the number of people who are included in one count but not the other. This allows adjustments to the count for non-response, varying between different demographic groups. An explanation using
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#17330856349641738-401: Is important in considering individuals who have multiple or temporary addresses. Every person should be identified uniquely as a resident in one place; but the place where they happen to be on Census Day, their de facto residence , may not be the best place to count them. Where an individual uses services may be more useful, and this is at their usual residence. An individual may be recorded at
1817-469: Is interested; researchers in particular have an interest in the role of Census Field Officers (CFO) and their assistants. Data can be represented visually or analysed in complex statistical models, to show the difference between certain areas, or to understand the association between different personal characteristics. Census data offer a unique insight into small areas and small demographic groups which sample data would be unable to capture with precision. In
1896-690: Is named after the counting of the Israelite population according to the house of the Fathers after the exodus from Egypt. A second census was taken while the Israelites were camped in the " plains of Moab ". King David performed a census that produced disastrous results. His son, King Solomon , had all of the foreigners in Israel counted. One of the world's earliest preserved censuses was held in China in AD 2 during
1975-538: Is not known if there are any residents or how many people there are in each household. Depending on the mode of enumeration, a form is sent to the householder, an enumerator calls, or administrative records for the dwelling are accessed. As a preliminary to the dispatch of forms, census workers will check for any address problems on the ground. While it may seem straightforward to use the postal service file for this purpose, this can be out of date and some dwellings may contain several independent households. A particular problem
2054-423: Is still conducted in a similar way to the post-enumeration survey employed in a traditional census. Other countries that have a population register use this as a basis for all the census statistics needed by users. This is most common among Nordic countries but requires many distinct registers to be combined, including population, housing, employment, and education. These registers are then combined and brought up to
2133-415: Is students who often have a term time and family address. Several countries have used a system known as short form/long form. This is a sampling strategy that randomly chooses a proportion of people to send a more detailed questionnaire to (the long form). Everyone receives the short-form questions. This means more data are collected, but without imposing a burden on the whole population. This also reduces
2212-491: Is typically collected about the household structure and the housing. For this reason, international documents refer to censuses of population and housing. Normally the census response is made by a household, indicating details of individuals resident there. An important aspect of census enumerations is determining which individuals can be counted and which cannot be counted. Broadly, three definitions can be used: de facto residence; de jure residence; and permanent residence. This
2291-416: Is what is termed " communal establishments ", a category that includes student residences, religious orders, homes for the elderly, people in prisons, etc. As these are not easily enumerated by a single householder, they are often treated differently and visited by special teams of census workers to ensure they are classified appropriately. Individuals are normally counted within households , and information
2370-546: The Han dynasty , and is still considered by scholars to be quite accurate. The population was registered as having 57,671,400 individuals in 12,366,470 households but on this occasion only taxable families had been taken into account, indicating the income and the number of soldiers who could be mobilized. Another census was held in AD 144. The oldest recorded census in India is thought to have occurred around 330 BC during
2449-668: The nomarch , "whence he gained his living". Under the Ptolemies and the Romans several censuses were conducted in Egypt by government officials. There are several accounts of ancient Greek city states carrying out censuses. Censuses are mentioned several times in the Biblical narrative. God commands a per capita tax to be paid with the census for the upkeep of the Tabernacle . The Book of Numbers
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2528-437: The population size is already known. However, a census is also used to collect attribute data on the individuals in the nation, not only to assess population size. This process of sampling marks the difference between a historical census, which was a house-to-house process or the product of an imperial decree, and the modern statistical project. The sampling frame used by a census is almost always an address register. Thus, it
2607-412: The 19th and 20th centuries collected paper documents which had to be collated by hand, so the statistical information obtained was quite basic. The government that owned the data could publish statistics on the state of the nation. The results were used to measure changes in the population and apportion representation. Population estimates could be compared to those of other countries. By the beginning of
2686-437: The 20th century, censuses were recording households and some indications of their employment. In some countries, census archives are released for public examination after many decades, allowing genealogists to track the ancestry of interested people. Archives provide a substantial historical record which may challenge established views. Information such as job titles and arrangements for the destitute and sick may also shed light on
2765-460: The UK, all census formats are scanned and stored electronically before being destroyed, replacing the need for physical archives. The record linking to perform an administrative census would not be possible without large databases being stored on computer systems. There are sometimes problems in introducing new technology. The US census had been intended to use handheld computers, but cost escalated, and this
2844-427: The age of 18 living with them, 52.3% were married couples living together, 10.0% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 31.9% were non-families. 26.6% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.28. The median age in
2923-428: The age of 18 living with them, 61.30% were married couples living together, 8.20% had a female householder with no husband present, and 26.60% were non-families. 22.50% of all households were made up of individuals, and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.11. In the county, the population was spread out, with 27.70% under
3002-468: The age of 18, 7.90% from 18 to 24, 28.70% from 25 to 44, 21.70% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.90 males. For every 100 females age 18 and over, there were 96.00 males. The median income for a household in the county was $ 39,086, and the median income for a family was $ 43,972. Males had a median income of $ 31,293 versus $ 22,085 for females. The per capita income for
3081-402: The area in 1858, and the perpendicular north–south Burlington, Cedar Rapids and Minnesota Railroad (BCR&M) line was built in 1870. The first local business, a restaurant and boarding house imported via the Rock Island from Muscatine, Iowa , opened the day after a BCR&M train made the inaugural stop and crossing of the newly completed intersection. Just a month later, on March 12, 1870,
3160-417: The burden on the statistical office. Indeed, in the UK until 2001 all residents were required to fill in the whole form but only a 10% sample was coded and analysed in detail. New technology means that all data are now scanned and processed. During the 2011 Canadian census there was controversy about the cessation of the mandatory long-form census; the head of Statistics Canada , Munir Sheikh , resigned upon
3239-438: The census is also an important tool for identifying forms of social, demographic or economic exclusions, such as inequalities relating to race, ethics, and religion as well as disadvantaged groups such as those with disabilities and the poor. An accurate census can empower local communities by providing them with the necessary information to participate in local decision-making and ensuring they are represented. The importance of
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3318-536: The census is that it represents the entire statistical universe, down to the smallest geographical units, of a country or region. Planners need this information for all kinds of development work, including: assessing demographic trends; analysing socio-economic conditions; designing evidence-based poverty-reduction strategies; monitoring and evaluating the effectiveness of policies; and tracking progress toward national and internationally agreed development goals." In addition to making policymakers aware of population issues,
3397-443: The census of agriculture , data is collected at the agricultural holding unit. An agricultural holding is an economic unit of agricultural production under single management comprising all livestock kept and all land used wholly or partly for agricultural production purposes, without regard to title, legal form, or size. Single management may be exercised by an individual or household, jointly by two or more individuals or households, by
3476-474: The census of agriculture for development is that it gives a snapshot of the structure of the agricultural sector in a country and, when compared with previous censuses, provides an opportunity to identify trends and structural transformations of the sector, and points towards areas for policy intervention. Census data are used as a benchmark for current statistics and their value is increased when they are employed together with other data sources. Early censuses in
3555-563: The census of agriculture, users need census data to: Although the census provides useful statistical information about a population, the availability of this information could sometimes lead to abuses, political or otherwise, by the linking of individuals' identities to anonymous census data. This is particularly important when individuals' census responses are made available in microdata form, but even aggregate-level data can result in privacy breaches when dealing with small areas and/or rare subpopulations. For instance, when reporting data from
3634-564: The central government. Differing release strategies of governments have led to an international project ( IPUMS ) to co-ordinate access to microdata and corresponding metadata. Such projects such as SDMX also promote standardising metadata, so that best use can be made of the minimal data available. Censuses in Egypt first appeared in the late Middle Kingdom and developed in the New Kingdom Pharaoh Amasis , according to Herodotus , required every Egyptian to declare annually to
3713-556: The city was 35.9 years. 27.1% of residents were under the age of 18; 8.9% were between the ages of 18 and 24; 25.7% were from 25 to 44; 25.3% were from 45 to 64; and 13% were 65 years of age or older. The gender makeup of the city was 51.8% male and 48.2% female. As of the census of 2000, there were 1,900 people, 691 households, and 487 families residing in the city. The population density was 879.6 inhabitants per square mile (339.6/km). There were 748 housing units at an average density of 346.3 per square mile (133.7/km). The racial makeup of
3792-542: The city was 85.32% White , 0.58% African American , 0.05% Native American , 0.11% Asian , 12.37% from other races , and 1.58% from two or more races. Hispanic or Latino of any race were 39.00% of the population. There were 691 households, out of which 37.2% had children under the age of 18 living with them, 55.3% were married couples living together, 9.3% had a female householder with no husband present, and 29.5% were non-families. 26.3% of all households were made up of individuals, and 11.7% had someone living alone who
3871-471: The city. The population density was 867.1 inhabitants per square mile (334.8/km). There were 760 housing units at an average density of 347.0 per square mile (134.0/km). The racial makeup of the city was 74.2% White , 1.6% African American , 0.3% Native American , 3.4% Asian , 17.4% from other races , and 3.0% from two or more races. Hispanic or Latino of any race were 48.0% of the population. There were 687 households, of which 36.4% had children under
3950-438: The city. The population density was 873.8 inhabitants per square mile (337.4/km). There were 719 housing units at an average density of 343.3 per square mile (132.6/km). The racial makeup of the city was 49.5% White , 1.4% Black or African American , 1.3% Native American , 10.2% Asian , 0.0% Pacific Islander , 23.2% from other races and 14.3% from two or more races. Hispanic or Latino persons of any race comprised 45.4% of
4029-515: The combination of data from registers, surveys and other sources. Censuses have evolved in their use of technology: censuses in 2010 used many new types of computing. In Brazil, handheld devices were used by enumerators to locate residences on the ground. In many countries, census returns could be made via the Internet as well as in paper form. DSE is facilitated by computer matching techniques that can be automated, such as propensity score matching . In
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#17330856349644108-405: The county was $ 17,644. About 7.00% of families and 9.30% of the population were below the poverty line , including 12.40% of those under age 18 and 7.90% of those age 65 or over. The population ranking of the following table is based on the 2010 census of Louisa County. † county seat Louisa County, like nearby Cedar County, is a reliable bellwether for the state of Iowa, having voted for
4187-516: The county. The population density was 30 inhabitants per square mile (12/km ). There were 5,133 housing units at an average density of 13 per square mile (5.0/km ). The racial makeup of the county was 93.91% White , 0.25% Black or African American , 0.18% Native American , 0.20% Asian , 0.02% Pacific Islander , 4.56% from other races , and 0.88% from two or more races. 12.62% of the population were Hispanic or Latino of any race. There were 4,519 households, out of which 35.00% had children under
4266-548: The federal government's decision to do so. The use of alternative enumeration strategies is increasing but these are not as simple as many people assume and are only used in developed countries. The Netherlands has been most advanced in adopting a census using administrative data . This allows a simulated census to be conducted by linking several different administrative databases at an agreed time. Data can be matched, and an overall enumeration established allowing for discrepancies between different data sources. A validation survey
4345-423: The form of conditional distributions ( histograms ) can be derived interactively from the estimated mixture model without any further access to the original database. As the final product does not contain any protected microdata, the model-based interactive software can be distributed without any confidentiality concerns. Another method is simply to release no data at all, except very large scale data directly to
4424-785: The historical structure of society. Political considerations influence the census in many countries. In Canada in 2010 for example, the government under the leadership of Stephen Harper abolished the mandatory long-form census. This abolition was a response to protests from some Canadians who resented the personal questions. The long-form census was reinstated by the Justin Trudeau government in 2016. As governments assumed responsibility for schooling and welfare, large government research departments made extensive use of census data. Population projections could be made, to help plan for provision in local government and regions. Central government could also use census data to allocate funding. Even in
4503-466: The identification of individuals in marginal populations; others swap variables for similar respondents. Whatever is done to reduce the privacy risk, new improved electronic analysis of data can threaten to reveal sensitive individual information. This is known as statistical disclosure control . Another possibility is to present survey results by means of statistical models in the form of a multivariate distribution mixture. The statistical information in
4582-499: The internet. It is also possible that the hidden nature of an administrative census means that users are not engaged with the importance of contributing their data to official statistics. Alternatively, population estimations may be carried out remotely with geographic information system (GIS) and remote sensing technologies. According to the United Nations Population Fund (UNFPA), "The information generated by
4661-643: The inundation affected 29 businesses and non-profits, but the community has since been able to recover. Columbus Junction is located between the cities of Columbus City and Fredonia . It lies at the confluence of two rivers, the Iowa and the Cedar . According to the United States Census Bureau , the city has a total area of 2.19 square miles (5.67 km), all land. As of the census of 2020, there were 1,830 people, 655 households, and 438 families residing in
4740-524: The mid 20th century, census data was only directly accessible to large government departments. However, computers meant that tabulations could be used directly by university researchers, large businesses and local government offices. They could use the detail of the data to answer new questions and add to local and specialist knowledge. Nowadays, census data are published in a wide variety of formats to be accessible to business, all levels of government, media, students and teachers, charities, and any citizen who
4819-403: The number of elected representatives to regions (sometimes controversially – e.g., Utah v. Evans ). In many cases, a carefully chosen random sample can provide more accurate information than attempts to get a population census. A census is often construed as the opposite of a sample as it intends to count everyone in a population, rather than a fraction. However, population censuses do rely on
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#17330856349644898-537: The number of individuals. Censuses typically began as the only method of collecting national demographic data and are now part of a larger system of different surveys. Although population estimates remain an important function of a census, including exactly the geographic distribution of the population or the agricultural population, statistics can be produced about combinations of attributes, e.g., education by age and sex in different regions. Current administrative data systems allow for other approaches to enumeration with
4977-497: The one ordered by the second Rashidun caliph , Umar . The Domesday Book was undertaken in AD 1086 by William I of England so that he could properly tax the land he had recently conquered. In 1183, a census was taken of the crusader Kingdom of Jerusalem , to ascertain the number of men and amount of money that could possibly be raised against an invasion by Saladin , sultan of Egypt and Syria . The first national census of France ( L'État des paroisses et des feux )
5056-448: The population. Of the 655 households, 34.7% of which had children under the age of 18 living with them, 51.3% were married couples living together, 6.3% were cohabitating couples, 25.5% had a female householder with no spouse or partner present and 16.9% had a male householder with no spouse or partner present. 33.1% of all households were non-families. 27.5% of all households were made up of individuals, 15.3% had someone living alone who
5135-540: The problems of overcount and undercount and the coherence of census enumerations with other official sources of data. For instance, during the 2020 U.S. Census, the Census Bureau counted people primarily by collecting answers sent by mail, on the internet, over the phone, or using shared information through proxies. These methods accounted for 95.5 percent of all occupied housing units in the United States. This reflects
5214-498: The reign of Emperor Chandragupta Maurya under the leadership of Chanakya and Ashoka . The English term is taken directly from the Latin census , from censere ("to estimate"). The census played a crucial role in the administration of the Roman government, as it was used to determine the class a citizen belonged to for both military and tax purposes. Beginning in the middle republic, it
5293-443: The same level of detail but raise concerns about privacy and the possibility of biasing estimates. A census can be contrasted with sampling in which information is obtained only from a subset of a population; typically, main population estimates are updated by such intercensal estimates . Modern census data are commonly used for research, business marketing , and planning, and as a baseline for designing sample surveys by providing
5372-530: The standard of a statistical register by comparing the data from different sources and ensuring the quality is sufficient for official statistics to be produced. A recent innovation is the French instigation of a rolling census program with different regions enumerated each year so that the whole country is completely enumerated every 5 to 10 years. In Europe, in connection with the 2010 census round, many countries adopted alternative census methodologies, often based on
5451-414: The statewide winner in every presidential election since 1952. 41°13′05″N 91°15′36″W / 41.21806°N 91.26000°W / 41.21806; -91.26000 Census The UN 's Food and Agriculture Organization (FAO), in turn, defines the census of agriculture as "a statistical operation for collecting, processing and disseminating data on the structure of agriculture, covering
5530-506: The town was platted . Neighboring Columbus City had been established before the railroads arrived and both the Rock Island and BCR&M had built their lines over a mile's distance away. Because they had invested in the latter line, they were permitted to name the new town, and so it became Columbus Junction. The largest sustained period of growth for Columbus Junction was from 1960 to 2000, driven primarily by job creation in meat processing. From 1961 to 1982 Rath Packing Company operated
5609-463: The whole or a significant part of a country." "In a census of agriculture, data are collected at the holding level." The word is of Latin origin: during the Roman Republic , the census was a list of all adult males fit for military service. The modern census is essential to international comparisons of any type of statistics, and censuses collect data on many attributes of a population, not just
5688-404: Was 65 years of age or older. The average household size was 2.68 and the average family size was 3.24. 28.6% are under the age of 18, 8.9% from 18 to 24, 28.9% from 25 to 44, 19.8% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 97.1 males. For every 100 females age 18 and over, there were 91.3 males. The median income for
5767-419: Was 65 years old or older. The median age in the city was 37.4 years. 28.0% of the residents were under the age of 20; 6.0% were between the ages of 20 and 24; 26.5% were from 25 and 44; 22.1% were from 45 and 64; and 17.5% were 65 years of age or older. The gender makeup of the city was 50.5% male and 49.5% female. As of the census of 2010, there were 1,899 people, 687 households, and 468 families residing in
5846-443: Was abandoned, with the contract being sold to Brazil. The online response has some advantages, but one of the functions of the census is to make sure everyone is counted accurately. A system that allowed people to enter their address without verification would be open to abuse. Therefore, households have to be verified on the ground, typically by an enumerator visit or post out . Paper forms are still necessary for those without access to
5925-466: Was constructed of stone. In 1854, a third structure was built. The courthouse used today was erected in 1928. According to the U.S. Census Bureau , the county has a total area of 418 square miles (1,080 km ), of which 402 square miles (1,040 km ) is land and 16 square miles (41 km ) (3.8%) is water. Its eastern border is adjacent to the Mississippi River . The 2020 census recorded
6004-524: Was designed to elicit basic information about the nature of the land and the life of its peoples. The replies, known as " relaciones geográficas ", were written between 1579 and 1585 and were returned to the Cronista Mayor in Spain by the Council of the Indies. The earliest estimate of the world population was made by Giovanni Battista Riccioli in 1661; the next by Johann Peter Süssmilch in 1741, revised in 1762;
6083-518: Was undertaken in 1328, mostly for fiscal purposes. It estimated the French population at 16 to 17 million. In the 15th century, the Inca Empire had a unique way to record census information. The Incas did not have any written language but recorded information collected during censuses and other numeric information as well as non-numeric data on quipus , strings from llama or alpaca hair or cotton cords with numeric and other values encoded by knots in
6162-489: Was usually carried out every five years. It provided a register of citizens and their property from which their duties and privileges could be listed. It is said to have been instituted by the Roman king Servius Tullius in the 6th century BC, at which time the number of arms-bearing citizens was supposedly counted at around 80,000. When the Romans conquered Judea in AD 6, the legate Publius Sulpicius Quirinius organized
6241-400: Was very well known in the area at the time because she avenged the murder of her brother when she shot the party responsible; the other is that it was named after Louisa County, Virginia . Louisa County became a part of Iowa Territory upon its formation on July 4, 1838. The first courthouse was a simple wood-framed building. In 1840, a second courthouse, measuring 40' x 20' (about 12 x 6 m),
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