Missoula County is a

county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...

located in the

state State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

. As of the 2020 census, the population was 117,922, making it Montana's third most populous county. Its

county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...

and most populous city is

Missoula Missoula ( ) is a city in and the county seat of Missoula County, Montana, Missoula County, Montana, United States. It is located along the Clark Fork River near its confluence with the Bitterroot River, Bitterroot and Blackfoot River (Montana), ...

. The county was founded in 1860. Missoula County comprises the Missoula, MT Metropolitan Statistical Area, and is not a

consolidated city-county In local government in the United States, United States local government, a consolidated city-county (#Terminology, see below for alternative terms) is formed when one or more city, cities and their surrounding County (United States), county (Lis ...

History

Missoula County,

Washington Territory The Washington Territory was an organized incorporated territory of the United States that existed from March 2, 1853, until November 11, 1889, when the territory was admitted to the Union as the State of Washington. It was created from the ...

was incorporated in 1860, when this area was still part of

. Missoula County encompassed present-day Missoula and Deer Lodge Counties, as well as a large area of land north and south of present-day Missoula County. Hell Gate Town, the county seat, was at the confluence of the Clark Fork and

Bitterroot Bitterroot (''Lewisia rediviva'') is a small perennial herb in the family Montiaceae. Its specific epithet ("revived, reborn") refers to its ability to regenerate from dry and seemingly dead roots. The genus '' Lewisia'' was moved in 2009 from ...

Rivers. The area encompassing today's Missoula County became part of the United States as a result of

Oregon Treaty The Oregon Treaty was a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, D.C. The treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to ...

of June 14, 1846. It was part of the

Oregon Territory The Territory of Oregon was an organized incorporated territory of the United States that existed from August 14, 1848, until February 14, 1859, when the southwestern portion of the territory was admitted to the United States, Union as the Oreg ...

's Clark County, which replaced the ''District of Vancouver'' September 3, 1844. The territory was divided on March 2, 1853, with Clark County becoming part of the new Washington Territory. Clark County was divided the next year to create Skamania County, which a month later was divided to create Walla Walla County, which was further divided in 1858 to create Spokane County. On December 14, 1860, Missoula County was carved out of Spokane County with the first county seat at

Hell Gate Hell Gate is a narrow tidal strait in the East River in New York City. It separates Astoria, Queens, Astoria, Queens, from Randall's and Wards Islands in Manhattan. Etymology The name "Hell Gate" is a corruption of the Low German or Dutch la ...

. The county made up the region between modern-day

Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...

and the Continental Divide north of the 46th parallel. When Idaho Territory was created in 1863 it adopted Missoula County as the territory's 3rd county on January 16, 1864, with more or less the same boundaries and Wordensville (present Missoula) established as the county seat. This first county consisted of all or part of current Ravalli, Missoula,

Granite Granite ( ) is a coarse-grained (phanerite, phaneritic) intrusive rock, intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly coo ...

, Deer Lodge, Silver Bow, Powell,

Mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2011): Mi ...

Lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

, Sanders, Lincoln, Flathead, and

Glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...

Counties. Missoula County became a part of

Montana Territory The Territory of Montana was an organized incorporated territory of the United States that existed from May 26, 1864, until November 8, 1889, when it was admitted as the 41st state in the Union as the state of Montana. Original boundaries ...

when the territory was organized out of the existing Idaho Territory by Act of Congress and signed into law by President

Abraham Lincoln Abraham Lincoln (February 12, 1809 – April 15, 1865) was the 16th president of the United States, serving from 1861 until Assassination of Abraham Lincoln, his assassination in 1865. He led the United States through the American Civil War ...

on May 26, 1864. At this time Deer Lodge County (today Deer Lodge, Granite, Silver Bow, and Powell Counties) was cut out of Missoula. The creation of Flathead (today Flathead and Lincoln Counties) and Ravalli Counties in 1893, Powell in 1901, Sanders in 1905, Mineral in 1914 and finally Lake County in 1923 gave Missoula its present borders.

Geography

According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the county has a total area of , of which is land and (1.0%) is water. It is the 24th largest county in Montana.

Geographic features

Five large valleys and two major rivers wind through this mountainous region.

Flora and fauna

Located in the Northern Rockies, Missoula County has a typical Rocky Mountain ecology. Local wildlife includes

white-tailed deer The white-tailed deer (''Odocoileus virginianus''), also known Common name, commonly as the whitetail and the Virginia deer, is a medium-sized species of deer native to North America, North, Central America, Central and South America. It is the ...

, black bears,

osprey The osprey (; ''Pandion haliaetus''), historically known as sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor, reaching more than in length and a wingspan of . It ...

, and

bald eagle The bald eagle (''Haliaeetus leucocephalus'') is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (''Haliaeetus albicilla''), which occupies the same niche ...

s. During the winter months, rapid snow melt on

Mount Jumbo Mount Jumbo ( Salish: ''Sin Min Koos'', meaning "obstacle" or "thing in the way"), also called Mount Loyola by some locals, is a mountain overlooking the city of Missoula in the U.S. state of Montana. It is northeast of the city's downtown and, ...

due to its steep slope leaves grass available for grazing elk and

mule deer The mule deer (''Odocoileus hemionus'') is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. Two subspecies of mule deer are grouped into the black-tailed deer. Unlike the related whit ...

. The rivers around Missoula provide nesting habitats for bank swallows, northern rough-winged swallows and

belted kingfisher The belted kingfisher (''Megaceryle alcyon'') is a large, conspicuous water kingfisher, native to North America. Taxonomy The first Species description, formal description of the belted kingfisher was by the Swedish naturalist Carl Linnaeus in 1 ...

s. Killdeer and

spotted sandpiper The spotted sandpiper (''Actitis macularius'') is a small shorebird. Together with its sister species the common sandpiper (''A. hypoleucos''), it makes up the genus ''Actitis''. They replace each other geographically; stray birds may Hybridisati ...

s can be seen foraging insects along the gravel bars. Other species include song sparrows,

catbird Several unrelated groups of songbirds are called catbirds because of their wailing calls, which resemble a cat's meowing. The genus name ''Ailuroedus'' likewise is from the Greek for 'cat-singer' or 'cat-voiced'. Australasian catbirds are ...

s, several species of

warbler Various Passeriformes (perching birds) are commonly referred to as warblers. They are not necessarily closely related to one another, but share some characteristics, such as being fairly small, vocal, and insectivorous. Sylvioid warblers T ...

s, and the pileated woodpecker. The rivers also provide cold, clean water for native fish such as

westslope cutthroat trout The Westslope cutthroat trout (''Oncorhynchus lewisi'')Page, Lawrence M.; Bemis, Katherine E.; Espinosa-Pérez, Héctor S.; Findley, Lloyd T.; Gilbert, Carter R.; Hartel, Karsten E.; Lea, Robert N.; Mandrak, Nicholas E.; Neighbors, Margaret A. ( ...

and bull trout. The meandering streams also attract

beaver Beavers (genus ''Castor'') are large, semiaquatic rodents of the Northern Hemisphere. There are two existing species: the North American beaver (''Castor canadensis'') and the Eurasian beaver (''C. fiber''). Beavers are the second-large ...

and

wood duck The wood duck or Carolina duck (''Aix sponsa'') is a partially migratory species of perching duck found in North America. The male is one of the most colorful North American waterfowls. Taxonomy The wood duck was Species description, formal ...

s. Native riparian plant life includes sandbar

willow Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known ...

s and cottonwoods, and Montana's state tree, the

ponderosa pine ''Pinus ponderosa'', commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine, is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is t ...

. Other native plants include wetland species such as

cattails ''Typha'' is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae. These plants have a variety of common names, in British English as bulrushStreeter D, Hart-Davies C, Hardcastle A, Cole F, Harper L. 2009. ...

and beaked-sedge as well as shrubs and berry plants like Douglas hawthorn, chokecherry, and western snowberries. Missoula is also home to several

noxious weed A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or lives ...

s which multiple programs have tried to eliminate. Notable ones include Dalmatian toadflax, spotted knapweed, leafy spurge, St. John's wort, and sulfur cinquefoil. The Norway maples that line many of Missoula's older streets have also been declared an invasive species.

Climate

Missoula County has a

semi-arid climate A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of se ...

(

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

''BSk''), with cold and moderately snowy winters, hot and dry summers, and spring and autumn are short and crisp in between. Winter conditions are usually far milder than much of the rest of the state due to its western position within the state. However, the mildness is also induced by the dampness, as unlike much of the rest of the state, precipitation is not at a strong minimum during winter. Winter snowfall averages , with most years seeing very little of it from April to October. Summers see very sunny conditions, with highs peaking at in July. However, temperature differences between day and night are large during this time and from April to October, due to the relative aridity.

National protected areas

* Bitterroot National Forest (part) * Flathead National Forest (part) * Lolo National Forest (part) * Rattlesnake National Recreation Area

Major highways

Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain states, Mountain West, Great Pla ...

* U.S. Highway 12 * U.S. Highway 93 * Montana Highway 83 * Montana Highway 200

Transit

Jefferson Lines Jefferson Lines (JL or JLI) is a regional intercity bus company operating in 14 states in the Midwest and the West of the United States. History The company is operated by Jefferson Partners L.P., located in Minneapolis, Minnesota. Jefferson P ...

* Mountain Line

Adjacent counties

* Mineral County - west * Sanders County - northwest * Lake County - north * Flathead County - northeast * Powell County - east * Granite County - southeast * Ravalli County - south * Idaho County,

- southwest/Pacific Time Border * Clearwater County,

- southwest/Pacific Time Border

Demographics

2020 census

As of the 2020 census, there were 117,922 people living in the county.

2010 census

As of the 2010 census, there were 109,299 people, 45,926 households, and 25,931 families residing in the county. The population density was . There were 50,106 housing units at an average density of . The racial makeup of the county was 92.7% white, 2.6% American Indian, 1.1% Asian, 0.4% black or African American, 0.1% Pacific islander, 0.4% from other races, and 2.6% from two or more races. Those of Hispanic or Latino origin made up 2.6% of the population. In terms of ancestry, 26.1% were German, 17.8% were Irish, 12.3% were English, 7.3% were Norwegian, and 5.4% were American. Of the 45,926 households, 26.5% had children under the age of 18 living with them, 42.9% were married couples living together, 9.2% had a female householder with no husband present, 43.5% were non-families, and 30.3% of all households were made up of individuals. The average household size was 2.30 and the average family size was 2.88. The median age was 34.3 years. The median income for a household in the county was $42,887 and the median income for a family was $58,302. Males had a median income of $39,603 versus $30,069 for females. The per capita income for the county was $24,343. About 8.8% of families and 17.3% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

, including 14.9% of those under age 18 and 8.8% of those age 65 or over.

Economy

Missoula County has a diverse economy as a growing regional trade center with several major employers such as the

University of Montana The University of Montana (UM) is a public research university in Missoula, Montana, United States. UM is a flagship institution of the Montana University System and its second largest campus. Fall 2024 saw total enrollment hit 10,811, marki ...

, regional hospitals, and the U.S. Forest Service each employing thousands. However, 90% of wage and salary workers work for small businesses with under 20 workers with a quarter of them self-employed.

Government

Missoula County is governed by a Board of County Commissioners of three members; each serving six-year terms staggered so as to have one election every two years. The commission has authority over all legislative, executive, and administrative issues throughout the county not specifically reserved by law or ordinance to other elected officials.

Politics

Originally a swing county, Missoula County has voted reliably Democratic since 2004, and has voted Republican only once since 1988. In 2000, Republican

George W. Bush George Walker Bush (born July 6, 1946) is an American politician and businessman who was the 43rd president of the United States from 2001 to 2009. A member of the Bush family and the Republican Party (United States), Republican Party, he i ...

won the county by a 9% margin while Green Party candidate

Ralph Nader Ralph Nader (; born February 27, 1934) is an American lawyer and political activist involved in consumer protection, environmentalism, and government reform causes. He is a Perennial candidate, perennial presidential candidate. His 1965 book '' ...

received over 16% of the vote in the county. This is most likely due to the city of

being home to the

Education

School districts

Missoula County is home to 18 school districts (13 Elementary, 2 Secondary, and 3 Unified). - See also
Text list

School District Reference Maps (2010 Census) - Montana
/ref> K-12 (Unified) districts include: * Alberton K-12 Schools * Florence-Carlton K-12 Schools * Frenchtown K-12 Schools High school districts include: * Arlee High School District * Missoula High School District Elementary school districts include: * Arlee * Bonner * Clinton * DeSmet * Hellgate * Lolo *

* Potomac * Seeley Lake *

Sunset Sunset (or sundown) is the disappearance of the Sun at the end of the Sun path, below the horizon of the Earth (or any other astronomical object in the Solar System) due to its Earth's rotation, rotation. As viewed from everywhere on Earth, it ...

* Swan Valley * Target Range * Woodman

Colleges and universities

Missoula County is home to the

and the Missoula College - University of Montana.

Communities

City

(county seat)

Census-designated places

* Bonner-West Riverside * Carlton * Clinton * Condon * East Missoula * Evaro * Frenchtown * Huson * Lolo * Orchard Homes * Piltzville * Potomac * Seeley Lake * Turah * Twin Creeks * Wye

Other unincorporated communities

* Clearwater * Coloma * Greenough *

* Lolo Hot Springs * Lothrop * Milltown * Nagos * Ninemile * Sunset * Westview Park * Yreka''Yreka MT'' Google Maps (accessed January 3, 2019)
/ref>

References

External links

Missoula County official website

Missoula County (Mont.) Records, 1888-1963
(University of Montana Archives) {{Coord, 47.04, -113.93, display=title, type:adm2nd_region:US-MT_source:UScensus1990 Montana placenames of Native American origin 1860 establishments in Washington Territory Populated places established in 1860