Roosevelt County is a county in the U.S. state of Montana. As of the 2020 census, the population was 10,794. Its county seat is Wolf Point. Roosevelt County was created by the Montana Legislature in 1919 from a portion of Sheridan County. The name honors former president Theodore Roosevelt, who had died earlier that year.

Geography

According to the United States Census Bureau, the county has a total area of 2369 sqmi, of which 2355 sqmi is land and 15 sqmi (0.6%) is water. Three-fourths of the county's land area lies within the Fort Peck Indian Reservation.

Major highways

Transit

Adjacent counties

National protected areas

Climate

According to the Köppen Climate Classification system, Bredette has a cold semi-arid climate, abbreviated "BSk" on climate maps. The hottest temperature recorded in Bredette was 108 F on August 6, 1983, and July 24, 2007, while the coldest temperature recorded was -52 F on January 20, 1954.

Demographics

2020 census

As of the 2020 census, there were 10,794 people living in the county.

2010 census

As of the 2010 census, there were 10,425 people, 3,553 households, and 2,548 families residing in the county. The population density was 4.4 PD/sqmi. There were 4,063 housing units at an average density of 1.7 /sqmi. The racial makeup of the county was 60.4% American Indian, 35.8% white, 0.4% Asian, 0.1% black or African American, 0.2% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 20.0% were Norwegian, 16.3% were German, 6.1% were Irish, and 1.3% were American. Of the 3,553 households, 42.4% had children under the age of 18 living with them, 42.9% were married couples living together, 20.5% had a female householder with no husband present, 28.3% were non-families, and 24.2% of all households were made up of individuals. The average household size was 2.88 and the average family size was 3.41. The median age was 31.6 years. The median income for a household in the county was $37,451 and the median income for a family was $50,146. Males had a median income of $39,008 versus $34,725 for females. The per capita income for the county was $17,821. About 15.8% of families and 21.5% of the population were below the poverty line, including 28.6% of those under age 18 and 10.9% of those age 65 or over.

Politics

Roosevelt County is competitive in presidential elections, due to its high Native American population. After a seven-election streak of voting for the Democratic candidate, it voted for Republican Donald Trump by narrow margins in 2016 and 2020. In 2024, the county trended more strongly in the conservative direction when it gave Trump a 53% majority.

Communities

Cities

Towns

Unincorporated communities