Misplaced Pages

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77-409: The highway was designated in 1926 and its routing has changed drastically through the years. The modern US 191 bears almost no resemblance to the original route, which was primarily in the state of Idaho . Most of the current route of US 191 was formed in 1981. Since the extensions in the 1980s and 1990s, U.S. Route 191 is much longer than its parent route to which it no longer connects, and it

154-410: 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

231-511: A new number for its portion of US 666 . The state wished to remove the US ;666 designation from within Arizona, due to public concerns relating to the biblical reference to the number "666" . A secondary reason given by the state was the constant theft of US 666 shields and navigational markers along the highway. As a result, US 191 was extended over I-40 to Sanders , where it absorbed

308-621: A roadway shared with US 87 and Montana 200 , in a wrong-way concurrency . US 191 reaches the Canada–US ;border after going through Lewistown, across the Missouri River at the Charles M. Russell National Wildlife Refuge , and through Malta . It ends at the international border at Port Morgan, and the road continues into Saskatchewan as Highway 4 toward Swift Current . The routing of US 191 has drastically changed through

385-401: A route between West Yellowstone and Malta, Montana . Utah and Wyoming lobbied AASHTO to create a single highway that would connect several National Parks in their states to facilitate tourism. The initial proposal was to extend U.S. Route 163 north into Wyoming. However it was later decided to add Arizona to this proposal for a new highway and instead extend US 191 south. Most of

462-800: 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 ,

539-626: Is collected by the Idaho State Tax Commission . Wellington, Utah Wellington is a city in Carbon County , Utah , United States. The population was 1,605 at the 2020 census . The community was settled in 1878 by a band of thirteen Mormons led by Jefferson Tidwell. The town was named for Justus Wellington Seeley, Jr., of the Emery County Court. Many residents commute to nearby Price for their jobs, or work in one of

616-509: Is concurrent with I-90 eastward 58 miles (93 km) to Big Timber , where it proceeds north. The road travels through hilly ranch country near the eastern edge of the Crazy Mountains to Harlowton , where US 191 is briefly concurrent with US 12 . North of Harlowton, US 191 is concurrent with Montana Highway 3 for 37 miles (60 km), to Eddie's Corner. US 191 proceeds eastward from Eddie's Corner to Lewistown , on

693-453: 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

770-464: Is mostly a frontage road for Interstate 15 . In this alignment, the route in between Idaho Falls and the Utah line also paralleled I-15. As US 191 has mostly been extended while US 91 has largely been truncated, US 191 is now ten times longer than its parent. By 1981, due to the construction of Interstate 15 and extension of other U.S. Highway designations, US 191 had been truncated to

847-542: 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

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924-463: Is one of the longest U.S. three-digit routes. US 191 begins in Cochise County, Arizona at a signaled intersection with Arizona State Route 80 (SR 80) and Historic U.S. Route 80 (Historic US 80) near Douglas . The highway then proceeds north past Bisbee Douglas International Airport passing through the hamlets of Elfrida and McNeal . Near Sunizona, US 191 intersects with

1001-480: Is served by the Willcox I-10 Business Loop , which begins and ends at I-10/US 191 southwest and northeast of the city. In Bowie Junction at Exit 352, US 191 leaves I-10 and heads north, exiting Cochise County and entering Graham County . US 191 has a ten-mile (16 km) overlay with US 70 east of Safford . The route links to State Route 366 (SR 366) and SR 266 to

1078-795: 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

1155-400: 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 was considering organizing a new territory in

1232-597: 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,

1309-443: Is then concurrent with Interstate 80 eastward for approximately five miles (8.0 km), passing just north of Rock Springs. US 191 diverges northward at Exit 104, following the former route of US 187 . Traveling through high desert country, the route passes through Eden , Farson , and Pinedale before meeting US 189 at Daniel Junction. Continuing north, the road traverses increasingly mountainous terrain, entering

1386-523: 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 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

1463-661: The American Association of State Highway and Transportation Officials still lists it in their latest log (1989), with a short independent section in Rock Springs between former US 30 (now US 30 Business ) and I-80 . A combination of new construction and the upgrading of county roads created a more direct route between Interstate 80 in Wyoming and Flaming Gorge Reservoir . Through Utah, US-191 absorbed SR-33 , SR-260 , and most of SR-44 . From Crescent Junction to Bluff

1540-700: The Bridger-Teton National Forest and passing through the small community of Bondurant before descending through the narrow Hoback River Canyon to an intersection with US 26 and US 89 at Hoback Junction. The route then follows the Snake River valley northward to Jackson . US 191 is concurrent with US 189 between Daniel Junction and Jackson, and with US 26 and US 89 between Hoback Junction and Jackson. North of Jackson, US 191 soon enters Grand Teton National Park , running concurrently with US 26 and US 89. The highway meets US 287 at Moran Junction, inside

1617-843: 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

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1694-506: The Flaming Gorge Reservoir . US 191 enters Wyoming near a geographical feature known as Minnie's Gap, just east of Flaming Gorge National Recreation Area . The route proceeds north through rugged desert country following an alignment mostly constructed during the 1970s, to a junction with Interstate 80 at Exit 99, just west of Rock Springs . This segment of the route is known locally as "East Flaming Gorge Road." The route

1771-614: 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

1848-886: 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

1925-664: 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 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,

2002-655: The Price River , a southeast-flowing tributary of the Green River . This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Wellington has a humid continental climate , abbreviated "Dfb" on climate maps. As of the census of 2000, there were 1,666 people, 576 households, and 459 families residing in

2079-470: 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

2156-472: 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 the state also contains the Idaho National Laboratory , which

2233-614: 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

2310-773: 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

2387-454: The Gallatin Way) to Bozeman, Montana . At one time US 191 connected to its parent, US 91 , twice: at Idaho Falls, Idaho and Brigham City, Utah . Today the highway does not connect to its parent, or even enter Idaho. In Utah, there have been 2 completely different iterations of U.S. 191 serving different areas of the state. The original iteration is now State Route 13 , which

U.S. Route 191 - Misplaced Pages Continue

2464-525: 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

2541-563: 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

2618-591: The Wyoming–Montana state line. US 191 in Montana begins at the West Entrance to Yellowstone National Park, at the edge of the town of West Yellowstone . The highway heads north, running concurrently with US 287 for eight miles (13 km) before veering slightly east and entering Yellowstone. US 191 continues northward through Yellowstone, traversing forested, mountainous terrain and briefly looping into

2695-584: 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

2772-461: 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 ,

2849-403: The average family size was 3.27. In the city, the population was spread out, with 33.3% under the age of 18, 13.1% from 18 to 24, 25.1% from 25 to 44, 19.9% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 28 years. For every 100 females, there were 96.2 males. For every 100 females age 18 and over, there were 91.4 males. The median income for a household in the city

2926-419: The city. The population density was 473.9 people per square mile (182.7/km ). There were 661 housing units at an average density of 188.0 per square mile (72.5/km ). The racial makeup of the city was 94.72% White , 0.12% African American , 1.08% Native American , 0.18% Asian , 0.12% Pacific Islander , 2.04% from other races , and 1.74% from two or more races. Hispanic or Latino of any race were 4.92% of

3003-475: 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

3080-545: 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

3157-565: 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 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

U.S. Route 191 - Misplaced Pages Continue

3234-495: 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

3311-805: The intersection with Interstate 40 at Sanders was formerly the major Arizona portion of US 666. Part of US 191 through the Navajo Nation is designated by the Arizona Department of Transportation as the Tse'nikani Flat Mesa Rock Scenic Road . US 191 serves the eastern half of the state. The road enters Utah in a remote portion of the Navajo Nation . The highway passes through mostly desolate areas of eastern Utah . Several portions are National or Utah Scenic Byways . It passes through Bluff , Blanding , Monticello (the seat of San Juan County ), and Moab ,

3388-568: 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

3465-627: The largest city in Eastern Utah, home to the USU Eastern Prehistoric museum, and historic Helper , the main stop for Amtrak between Provo, Utah and Grand Junction, Colorado . In addition to linking many rural towns in Utah to I-70 and US 40 , the highway served to interconnect several national and state parks for tourism, namely Canyonlands National Park , Arches National Park , Bears Ears National Monument , and Dead Horse Point State Park . The highway exits Utah just after crossing

3542-607: The largest city in southeastern Utah and the seat of Grand County . It connects with U.S. Routes 6 and 50 as it joins Interstate 70 going due west through the town of Green River , home of the John Wesley Powell Museum. A few miles west of town it splits off with US 6 and continues north between the San Rafael Reef to the west and Book Cliffs to the east through Emery County. It then enters the historic coalfields of Carbon County, passing through Wellington and Price ,

3619-543: 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

3696-506: 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,

3773-433: 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)

3850-472: 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

3927-632: The park; US 191, US 89, and US 287 are concurrent north of Moran, but the highways are not signed. Continuing through forested, mountainous country, the route passes through the John D. Rockefeller Jr. Memorial Parkway before ending at the South Entrance of Yellowstone National Park . While US 191 and other U.S. Routes are officially discontinuous through the park, some commercially produced maps show these highways running inside Yellowstone National Park itself along its unnumbered roads and across

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4004-406: The population. There were 576 households, out of which 47.2% had children under the age of 18 living with them, 62.3% were married couples living together, 13.0% had a female householder with no husband present, and 20.3% were non-families. 17.9% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.89 and

4081-423: The primary route to access Canyon de Chelly National Monument . US 191 traverses the Navajo Nation before entering Utah. US 191 has a detached business route in Arizona, running from SR 80 / Historic US 80 in Douglas, along Pan American Ave to the US Customs/Immigration Port of Entry at the border with Mexico. The portion of this route between its intersection with SR 80 near Douglas and

4158-478: 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

4235-413: 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 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

4312-432: The remainder of US 666 between I-40 and US 191 in Monticello, Utah was renumbered US 491 . The x91 number was decided because the road meets US 191 in Monticello. Idaho Idaho ( / ˈ aɪ d ə h oʊ / EYE -də-hoh ) is a landlocked state in the Pacific Northwest and Mountain West subregions of the Western United States . It borders Montana and Wyoming to

4389-406: The route of US 666 from Sanders to the Mexican border at Douglas, Arizona . Following the extension of US 191, US 666 was truncated out of Arizona to I-40 in Gallup, New Mexico . In 1996, it became the latest U.S. highway to travel from border to border, with the extension from Malta, Montana to the Canada–US border , absorbing former Montana Secondary Highway 242 . In 2003,

4466-415: 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,

4543-399: The south of Safford. The route between Springerville and Morenci was designated a National Scenic Byway and given the name of Coronado Trail Scenic Byway , as this approximates the path taken by Francisco Vásquez de Coronado between 1540 and 1542. This is a very dangerous mountain road with many sharp curves and little or no shoulders on steep cliffs. North of the byway, the highway is

4620-494: 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

4697-457: The southern extension recycled existing U.S. and state highways. However, some new sections were constructed. When the 1981 extension was finished, US 191 reached Interstate 40 in Arizona. In Wyoming, the new US 191 absorbed what was U.S. Route 187 , formed in 1926 as a branch from US 87W (now US 287 ) at Jackson Lake Junction, Wyoming south to US 30 in Rock Springs . Although it became part of US 191 in 1981,

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4774-443: The state of Wyoming, before leaving the park in the upper reaches of the Gallatin River canyon. The route travels northward through the narrow canyon, past the resort community of Big Sky , then entering the Gallatin Valley near the town of Gallatin Gateway, Montana . US 191 travels north and east through the valley to the city of Bozeman , which is the largest city along the entire US 191 route. From Bozeman, US 191

4851-450: 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,

4928-401: 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

5005-401: The various coal mines in the area. Wellington is located southwest of the center of Carbon County along U.S. routes 6 / 191 , which leads northwest 6 miles (10 km) to Price, the county seat , and southeast 57 miles (92 km) to Green River . According to the United States Census Bureau , the city has a total area of 5.1 square miles (13.3 km ), all land. It is just north of

5082-453: 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

5159-458: The western terminus of SR 181 . US 191 then curves west for 7.5 miles (12.1 km) before turning northwest through Sunsites and Cochise . US 191 intersects Interstate 10 (I-10) near Cochise at a trumpet interchange (I-10 Exit 331). US 191 and I-10 run concurrent for 20.9 miles (33.6 km) around Willcox . In Willcox, I-10/US 191 serves as the northern terminus for SR 186 at Exit 340. The city itself

5236-470: 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

5313-406: The years having been extended and shortened several times. The original route designated in 1926 ran from Idaho Falls, Idaho , to West Yellowstone, Montana along the route now numbered U.S. Route 20 . West Yellowstone is the only town that has been continuously served by the highway since its commissioning. On February 1, 1935, US 191 was extended over Montana Highway 187 (also known as

5390-414: 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

5467-417: 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

5544-552: 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

5621-468: 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

5698-589: 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

5775-502: Was previously numbered U.S. Route 163 , eliminating all but a short segment of that route. US 191 was extended over BIA Route 12 from Bluff, Utah to a junction with U.S. Route 160 in Arizona. The 1981 extension caused US 191 to enter Arizona for the first time in its history, ending at I-40 in Chambers, Arizona . Between US 160 and I-40 the highway absorbed the route of former State Route 63 . In 1992, Arizona requested

5852-413: 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

5929-539: 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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