61-625: U.S. Highway 30 ( US 30 ) runs northwest–southeast across the southern half of lower Idaho for 455.481 miles (733.026 km). US 30 enters the state from Oregon across the Snake River in Fruitland and exits into Wyoming east of Dingle . US 30 runs through the large population centers of Boise , Twin Falls , and Pocatello , as well as a plethora of smaller communities from Fruitland to Montpelier . The Thousand Springs Scenic Byway
122-399: A diamond interchange , running concurrently with I-84. Along the way, they serve Sand Hollow with one diamond interchange. Just north of Caldwell , US 20 and US 26 enter the freeway southeastward, joining with the concurrency. Entering Caldwell, they then serve I-84 Business / State Highway 19 (I-84 Bus./SH-19) and 10th Avenue before both US 20 and US 26 leave
183-410: A difficult start as a territory, including the chaotic transfer of the territorial capital from Lewiston to Boise , disenfranchisement of Mormon polygamists upheld by the U.S. Supreme Court in 1890, and a federal attempt to split the territory between Washington Territory, which gained statehood in 1889, a year before Idaho, and the state of Nevada which had been a state since 1864. Idaho
244-428: A modified interchange. Both I-86 and US 30 serve more roads and places (including Register Rock , I-86 Bus. , SH-39 , and Pocatello Regional Airport ). At exit 58, US 30 leaves the freeway as it approaches Pocatello. At this point, US 30 travels along a road parallel to the railroad. Along the way near downtown, it then begins to run concurrently with I-15 Bus. and US 91 . Shortly after that,
305-589: A two-way street. It then comes across I-15 at a diamond interchange. At this point, both U.S. Highways continue southeast along I-15 while I-15 Bus. ends there. The three routes (I-15, US 30, and US 91) then serve even more places such as another I-15 Bus. in Inkom . At exit 47, US 30 leaves the freeway to serve McCammon . At this point, US 30 begins to meander across several mountains. Between Alexander and Soda Springs , SH-34 runs concurrently with US 30. US 30 then serves more towns through
366-425: Is Boise . With an area of 83,569 square miles (216,440 km ), Idaho is the 14th-largest state by land area. The state has a population of approximately 2.0 million people, it ranks as the 13th-least populous and the seventh-least densely populated of the 50 U.S. states . For thousands of years, and prior to European colonization, Idaho had been inhabited by native peoples . In the early 19th century, Idaho
427-747: Is Borah Peak , 12,662 ft (3,859 m), in the Lost River Range north of Mackay . Idaho's lowest point, 710 ft (216 m), is in Lewiston , where the Clearwater River joins the Snake River and continues into Washington. The Sawtooth Range is often considered Idaho's most famous mountain range. Other mountain ranges in Idaho include the Bitterroot Range , the White Cloud Mountains ,
488-694: Is a landlocked state in the Pacific Northwest and Mountain West subregions of the Western United States . It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west; the state shares a small portion of the Canada–United States border to the north with the Canadian province of British Columbia . Idaho's state capital and largest city
549-561: Is a picturesque section of US 30 in southern Idaho between the towns of Bliss and Buhl , dipping down into the Hagerman Valley and a canyon of the Snake River. The highway has four extensive concurrencies with Interstate Highways: Interstate 84 (I-84) twice, I-86 , and I-15 . Outside of its Interstate concurrencies, the route is largely two lanes and rural outside of portions through major towns and cities. After crossing
610-649: Is collected by the Idaho State Tax Commission . Register Rock Register Rock is a historic site along the Oregon and the original California trails in Power County , Idaho , United States, that is listed on the National Register of Historic Places (NFHP). The historic site where many Oregon Trail emigrants carved their names on a large boulder . It is located along Rock Creek and near
671-453: Is least prominent in the state's eastern part where the precipitation patterns are often reversed, with wetter summers and drier winters, and seasonal temperature differences are more extreme, showing a more semi-arid continental climate . Idaho can be hot, although extended periods over 98 °F (37 °C) are rare, except for the lowest point in elevation, Lewiston , which correspondingly sees little snow. Hot summer days are tempered by
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#1733105026979732-542: Is of European descent. Most of Idaho's white residents trace their ancestry to the United Kingdom, Germany, Ireland, France, Italy, or Poland. There are also small numbers of Native Americans, Asians, and African Americans in the state. In 2018, the top countries of origin for Idaho's immigrants were Mexico , Canada , the Philippines , China and Germany . There are five federally recognized Native American tribes in
793-741: Is the Snake River, a major tributary of the Columbia River. The Snake River flows from Yellowstone in northwestern Wyoming through the Snake River Plain in southern Idaho before turning north, leaving the state at Lewiston before joining the Columbia in Kennewick . Other major rivers are the Clark Fork / Pend Oreille River , the Spokane River , and, many major tributaries of the Snake River, including
854-597: Is the state's predominant language. Minority languages include Spanish and various Native American languages . Idaho's gross state product was $ 118.8 billion in 2023 and the state's per capita income that year was estimated to be $ 59,035. As of 2016, the state's total employment was 562,282, and the total employer establishments were 45,826. Important industries in Idaho are food processing, lumber and wood products, machinery, chemical products, paper products, electronics manufacturing, silver and other mining, and tourism. The world's largest factory for barrel cheese,
915-583: The 43rd state . Forming part of the Pacific Northwest (and the associated Cascadia bioregion ), Idaho is divided into several distinct geographic and climatic regions. The state's north, the relatively isolated Idaho Panhandle , is closely linked with Eastern Washington , with which it shares the Pacific Time Zone —the rest of the state uses the Mountain Time Zone . The state's south includes
976-843: The Clearwater River , the Salmon River , the Boise River , and the Payette River . The Salmon River empties into the Snake in Hells Canyon and forms the southern boundary of Nez Perce County on its north shore, of which Lewiston is the county seat. The Port of Lewiston , at the confluence of the Clearwater and the Snake Rivers is the farthest inland seaport on the West Coast at 465 river miles from
1037-614: The Lost River Range , the Clearwater Mountains , and the Salmon River Mountains . Salmon-Challis National Forest is located in the east central sections of the state, with Salmon National Forest to the north and Challis National Forest to the south. The forest is in an area known as the Idaho Cobalt Belt, which consists of a 34 miles (55 km) long geological formation of sedimentary rock that contains some of
1098-886: The Oregon Trail , and many settlers chose to settle the area rather than risking the treacherous route through the Blue Mountains and the Cascade Range to the west. The western region of the plain is known as the Treasure Valley , bound between the Owyhee Mountains to the southwest and the Boise Mountains to the northeast. The central region of the Snake River Plain is known as the Magic Valley . Idaho's highest point
1159-472: The Snake River , roughly 12 miles (19 km) southwest of American Falls along the former routing of U.S. Route 30 (US 30) and near Interstate 86 (with which US 30 now runs concurrent ). The rock is located in what is now Massacre Rocks State Park and is protected by a shelter . It is also near a segment of (but not part of) the Oregon Trail Historic District . Also at
1220-653: The Snake River Plain (which has most of the population and agricultural land), and the southeast incorporates part of the Great Basin . Idaho is quite mountainous and contains several stretches of the Rocky Mountains . The United States Forest Service holds about 38% of Idaho's land, the highest proportion of any state. Industries significant for the state economy include manufacturing, agriculture, mining, forestry, and tourism. Several science and technology firms are either headquartered in Idaho or have factories there, and
1281-614: The Association of Religion Data Archives revealed Mormons remained the largest with 462,069, followed by Catholics (203,790), and non-denominational Protestantism (98,996). In 2022, the Public Religion Research Institute's American Values Survey estimated altogether, 72% of the population was Christian, 26% were religiously unaffiliated, and 3% were New Agers. Of its Christian population, 37% were Protestant, 24% Mormon, 9% Catholic, and 2% Jehovah's Witnesses . English
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#17331050269791342-773: The Boise City-Nampa, ID Metropolitan Statistical Area) is Idaho's largest. Other metropolitan areas, in order of size, are Coeur d'Alene , Idaho Falls , Pocatello and Lewiston . According to HUD 's 2022 Annual Homeless Assessment Report , there were an estimated 1,998 homeless people in Idaho. According to the 2017 American Community Survey , 12.2% of Idaho's population was of Hispanic or Latino origin, of any race: Mexican (10.6%), Puerto Rican (0.2%), Cuban (0.1%), and other Hispanic or Latino origin (1.3%). The five largest ancestry groups were: German (17.5%), English (16.4%), Irish (9.3%), American (8.1%), and Scottish (3.2%). The majority of Idaho's population
1403-525: The North West Company in 1813, after which the post was abandoned. The first organized non-indigenous communities within the present borders of Idaho were established by Mormon pioneers in 1860. The first permanent, substantial incorporated community was Lewiston, in 1861. Early in its history, Idaho saw a large influx of Chinese immigrants , who by 1870 made up about 28.5% of the territory's population. Idaho achieved statehood in 1890, following
1464-520: The Oregon state line and Burley, where it split into two suffixed routes : US 30N through Pocatello and to Montpelier; and US 30S toward Ogden, Utah . Construction of I-80N (now I-84), a freeway that would parallel US 30 between Portland, Oregon , and northern Utah, began in the 1960s under the Federal-Aid Highway Act of 1956 . Various sections of US 30 were relocated onto
1525-515: The Pacific at Astoria, Oregon . The vast majority of Idaho's population lives in the Snake River Plain, a valley running from across the entirety of southern Idaho from east to west. The valley contains the major cities of Boise , Meridian , Nampa , Caldwell , Twin Falls , Idaho Falls , and Pocatello . The plain served as an easy pass through the Rocky Mountains for westward-bound settlers on
1586-596: The Snake River, US 30 enters Fruitland as Northwest 16th Street before intersecting US 95 . The route then turns south along US 95 (Whitley Drive in Fruitland). Just north of the I-84 interchange, US 30 turns east toward New Plymouth . In New Plymouth, US 30 bends south, then southeast, and then south again. Just northeast of the Langley Gulch Power Plant, US 30 begins to travel southeast at
1647-584: The area that became the U.S. state. Humans may have been present in the Idaho area as long as 14,500 years ago. Excavations at Wilson Butte Cave near Twin Falls in 1959 revealed evidence of human activity, including arrowheads, that rank among the oldest dated artifacts in North America. American Indian peoples predominant in the area included the Nez Percé in the north and the Northern and Western Shoshone in
1708-517: The areas that are south of the ice sheet. An early presence of French-Canadian trappers is visible in names and toponyms : Nez Percé, Cœur d'Alène, Boisé, Payette . Some of these names appeared prior to the Lewis and Clark and Astorian expeditions, which included significant numbers of French and Métis guides recruited for their familiarity with the terrain. Idaho, as part of the Oregon Country ,
1769-402: The concurrently splits into a one-way pair. The Thousand Springs Scenic Byway is a picturesque section of US 30 in southern Idaho between the towns of Bliss and Buhl , dipping down into the Hagerman Valley and a canyon of the Snake River . The byway takes its name from the numerous streams and rivulets springing forth out of the east wall of that canyon, many of them plainly visible from
1830-475: The continental United States. Idaho is a Rocky Mountain state with abundant natural resources and scenic areas. The state has snow-capped mountain ranges, rapids, vast lakes and steep canyons. The waters of the Snake River run through Hells Canyon , the deepest gorge in the United States. Shoshone Falls falls down cliffs from a height greater than Niagara Falls . By far, the most important river in Idaho
1891-497: The creation of the Idaho Territory in 1863, parts of present-day Idaho were included in the Oregon , Washington , and Dakota Territories. The new Idaho territory included present-day Idaho, Montana , and most of Wyoming . The Lewis and Clark expedition crossed Idaho in 1805 on the way to the Pacific, and in 1806, on the return trip, largely following the Clearwater River in both directions. The first non-indigenous settlement
U.S. Route 30 in Idaho - Misplaced Pages Continue
1952-495: The first people might not have come to North America by land, as previously theorized. On the contrary, they probably came through the water, using a Pacific coastal route. The most parsimonious explanation we think is that people came down the Pacific Coast, and as they encountered the mouth of the Columbia River, they essentially found an off-ramp from this coastal migration and also found their first viable interior route to
2013-536: The freeway and enters the Thousand Springs Scenic Byway. As US 30 approaches I-84, the route turns south and east, serving Hagerman , Buhl, Filer , and Twin Falls . North of Kimberly , the route then leaves the byway. In Burley , the route then intersects SH-27 and SH-81 . In Heyburn , the route rejoins I-84 while also intersecting SH-24 . They then serve SH-25 / SH-77 at the same interchange. Then, US 30 transitions from I-84 to I-86 on
2074-614: The freeway is situated north adjacent to Boise Airport , with exit 53 serving the main terminal. Also, at exit 54, US 20 and US 26 rejoin the freeway. After leaving Boise, the freeway then serves multiple roads (including SH-21 ) before reaching Mountain Home . In Mountain Home, the freeway serves I-84 Bus. At the next exit, US 20 leaves the freeway alone. The three remaining routes go on to serve several more roads (such as I-84 Bus. and SH-78 ). Then, in Bliss, US 30 leaves
2135-616: The freeway together on Franklin Road. In Nampa , I-84 and US 30 then serve SH-55 , which then travels eastward concurrently with the two routes. The three routes then serve Northside Boulevard, Franklin Boulevard, and Garrity Boulevard (I-84 Bus.). In Meridian , the freeway concurrency serves SH-69 . At the next exit, SH-55 leaves the concurrency. Then, in Boise, the freeway comes across I-184 which serves Downtown Boise . Between exits 52 and 54,
2196-508: The largest cobalt deposits in the U.S. Idaho has two time zones , with the dividing line approximately midway between Canada and Nevada . Southern Idaho, including the Boise metropolitan area , Idaho Falls , Pocatello , and Twin Falls , are in the Mountain Time Zone . A legislative error ( 15 U.S.C. ch. 6 §264) theoretically placed this region in the Central Time Zone , but this
2257-543: The largest single economic center (over 25% of the state's total revenue) within the state and are greater than agriculture, forestry and mining combined. During the COVID-19 pandemic , Idaho enacted statewide crisis standards of care as COVID-19 patients overwhelmed hospitals. The state had one of the lowest vaccination rates in the country as of mid-October 2021. Idaho shares a border with six U.S. states and one Canadian province. The states of Washington and Oregon are to
2318-506: The last census of 58,884 (111,131 births minus 52,247 deaths) and an increase due to net migration of 75,795 people into the state. There are large numbers of Americans of English and German ancestry in Idaho. Immigration from outside the United States resulted in a net increase of 14,522 people, and migration within the country produced a net increase of 61,273 people. According to the American Immigration Council, in 2018,
2379-433: The low relative humidity and cooler evenings during summer months since, for most of the state, the highest diurnal difference in temperature is often in the summer. Winters can be cold, although extended periods of bitter cold weather below zero are unusual. Idaho's all-time highest temperature of 118 °F (48 °C) was recorded at Orofino on July 28, 1934; the all-time lowest temperature of −60 °F (−51 °C)
2440-472: The name when he met a little girl named Ida . Since the name appeared to be fabricated, the U.S. Congress ultimately decided to name the area Colorado Territory instead when it was created in February 1861, but by the time this decision was made, the town of Idaho Springs, Colorado had already been named after Willing's proposal. The same year Congress created Colorado Territory, a county called Idaho County
2501-503: The new freeway as sections opened over the following two decades. The two suffixed routes were eliminated in 1972 in favor of US 30 remaining on the northern route while generally following I-80N and I-15W (now I-86). A section through Meridian and Downtown Boise was removed in 1980, replaced by a longer overlap with I-84. Five years later, the section from Caldwell to Nampa was replaced with I-84 Bus. Idaho Idaho ( / ˈ aɪ d ə h oʊ / EYE -də-hoh )
U.S. Route 30 in Idaho - Misplaced Pages Continue
2562-576: The raw product for processed cheese , is in Gooding, Idaho . It has a capacity of 120,000 metric tons per year of barrel cheese and belongs to the Glanbia group. Hewlett-Packard has operated a large plant in Boise since the 1970s, which is devoted primarily to LaserJet printers production. Idaho has a state gambling lottery , which contributed $ 333.5 million in payments to all Idaho public schools and Idaho higher education from 1990 to 2006. Tax
2623-605: The rest of the state, especially Montpelier. In Montpelier, US 89 briefly runs concurrently with US 30. US 30 was established in 1926 during the creation of the United States Numbered Highway System , largely along the transcontinental Lincoln Highway , an existing auto trail . The corridor was also preceded by the Old Oregon Trail Highway between Oregon and Utah. The highway crossed southern Idaho by following Route 2 between
2684-553: The road, with the panoramic river in the foreground. These springs are outlets from the Snake River Aquifer , which flows through thousands of square miles of porous volcanic rock and is one of the largest groundwater systems in the world. The aquifer is believed to be fed by the Big Lost River which disappears into lava flows near Arco , about 90 miles (140 km) northeast of Hagerman . The concurrency returns to
2745-577: The self-identified religious affiliations of Idahoans over the age of 18 in 2008 and 2014 were: According to the Association of Religion Data Archives , the largest denominations by number of members in 2010 were The Church of Jesus Christ of Latter-day Saints with 409,265; the Catholic Church with 123,400; the non-denominational Protestants with 62,637; and the Assemblies of God with 22,183. In 2020,
2806-469: The site, roughly 150 feet (46 m) west of Register Rock, is another much smaller (and mostly below ground level) boulder upon which a 7-year-old boy by the name of J.J. Hansen carved an Indian head and preacher head. His original work was completed as he was traveling along the Oregon Trail to Portland , Oregon with his parents in 1866. Over forty year later, in 1908, he returned to the site and dated
2867-591: The south. A Late Upper Paleolithic site was identified at Cooper's Ferry in western Idaho near the town of Cottonwood by archaeologists in 2019. Based on evidence found at the site, first people lived in this area 15,300 to 16,600 years ago, predating the Beringia land bridge by about a thousand years. The discoverers emphasized that they possess similarities with tools and artifacts discovered in Japan that date from 16,000 to 13,000 years ago. The discovery also showed that
2928-483: The state also contains the Idaho National Laboratory , which is the country's largest Department of Energy facility. Idaho's agricultural sector supplies many products, but the state is best known for its potato crop , which comprises around one-third of the nationwide yield. The official state nickname is the "Gem State". The name's origin remains a mystery. In the early 1860s, when the U.S. Congress
2989-779: The state. These tribes include the Shoshone-Bannock, the Shoshone-Paiute, the Coeur d’Alene, the Kootenai and the Nez Perce. Note: Births in table don't add up, because Hispanics are counted both by their ethnicity and by their race, giving a higher overall number. Religious self-identification, per Public Religion Research Institute 's 2022 American Values Survey According to the Pew Research Center on Religion & Public Life,
3050-401: The top countries of origin for Idaho's immigrants were Mexico, Canada, the Philippines, China and Germany. Idaho's population increased by 17.3% from 2010 to 2020, the second fastest rate of growth of any state that decade. Nampa, about 20 miles (30 km) west of downtown Boise, became the state's second largest city in the late 1990s, passing Pocatello and Idaho Falls. Nampa's population
3111-453: The west, Nevada and Utah are to the south, and Montana and Wyoming are to the east. Idaho also shares a short border with the Canadian province of British Columbia to the north. The landscape is rugged, with some of the largest unspoiled natural areas in the United States. For example, at 2.3 million acres (930,000 ha), the Frank Church-River of No Return Wilderness Area is the largest contiguous area of protected wilderness in
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#17331050269793172-470: The winter when cloud cover, humidity , and precipitation are at their maximum extent. This influence has a moderating effect in the winter where temperatures are not as low as would otherwise be expected for a northern state with predominantly high elevations. In the panhandle, moist air masses from the coast are released as precipitation over the North Central Rockies forests , creating the North American inland temperate rainforest . The maritime influence
3233-414: Was Kullyspell House , established on the shore of Lake Pend Oreille in 1809 by David Thompson of the North West Company for fur trading. In 1812 Donald Mackenzie , working for the Pacific Fur Company at the time, established a post on the lower Clearwater River near present-day Lewiston. This post, known as "MacKenzie's Post" or "Clearwater", operated until the Pacific Fur Company was bought out by
3294-417: Was claimed by both the United States and Great Britain until the United States gained undisputed jurisdiction in 1846. From 1843 to 1859, present-day Idaho was under the de facto jurisdiction of the Provisional Government of Oregon . When Oregon became a state in 1859, what is now Idaho was situated in what remained of the original Oregon Territory, designated as the Washington Territory. Between 1849 and
3355-429: Was considered part of the Oregon Country , an area which was disputed between the U.S. and the British Empire . Idaho officially became a U.S. territory with the signing of the Oregon Treaty of 1846 , but a separate Idaho Territory was not organized until 1863, instead being included for periods in Oregon Territory and Washington Territory . The state was eventually admitted to the Union on July 3, 1890, becoming
3416-459: Was considering organizing a new territory in the Rocky Mountains , the name "Idaho" was suggested by George M. Willing , a politician posing as an unrecognized delegate from the unofficial Jefferson Territory . Willing claimed that the name was derived from a Shoshone term meaning "the sun comes from the mountains" or "gem of the mountains", but it was revealed later that there was no such term and Willing claimed that he had been inspired to coin
3477-437: Was corrected with a 2007 amendment. Areas north of the Salmon River , including Coeur d'Alene , Moscow , Lewiston , and Sandpoint , are in the Pacific Time Zone , which contains less than a quarter of the state's population and land area. Idaho's climate varies widely. Although the state's western border is about 330 miles (530 km) from the Pacific Ocean, the maritime influence is still felt in Idaho; especially, in
3538-412: Was created in eastern Washington Territory . The county was named after a steamship named Idaho , which was launched on the Columbia River in 1860. It is unclear whether the steamship was named before or after Willing's claim was revealed. Regardless, part of Washington Territory, including Idaho County, was used to create Idaho Territory in 1863. Idaho Territory would later change its boundaries to
3599-472: Was one of the hardest hit of the Pacific Northwest states during the Great Depression . Prices plummeted for Idaho's major crops: in 1932 a bushel of potatoes brought only ten cents compared to 1919 for $ 1.51, while Idaho farmers saw their annual income of $ 686 in 1929 drop to $ 250 by 1932. In recent years, Idaho has expanded its commercial base as a tourism and agricultural state to include science and technology industries. Science and technology have become
3660-413: Was recorded at Island Park Dam on January 18, 1943. As of 2018: The United States Census Bureau determined Idaho's population was 1,900,923 on July 1, 2021, a 21% increase since the 2010 U.S. census . Idaho had an estimated population of 1,754,208 in 2018, which was an increase of 37,265, from the prior year and an increase of 186,626, or 11.91%, since 2010. This included a natural increase since
3721-489: Was under 29,000 in 1990 and grew to over 81,000 by 2010. Located between Nampa and Boise, Meridian also experienced high growth, from fewer than 10,000 residents in 1990 to more than 75,000 in 2010 and is now Idaho's third largest city. Growth of 5% or more over the same period has also been observed in Caldwell , Coeur d'Alene , Post Falls , and Twin Falls. From 1990 to 2010, Idaho's population increased by over 560,000 (55%). The Boise metropolitan area (officially known as
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