Blaine County, Montana

Blaine County, Montana
Blaine County Courthouse in Chinook
Location in the U.S. state of Montana
Montana's location in the U.S.
Founded	1912
Named for	James G. Blaine
Seat	Chinook
Largest city	Chinook
Area
• Total	4,239 sq mi (10,979 km2)
• Land	4,228 sq mi (10,950 km2)
• Water	11 sq mi (28 km2), 0.3%
Population (est.)
• (2015)	6,577
• Density	1.5/sq mi (1/km²)
Congressional district	At-large
Time zone	Mountain: UTC-7/-6
Website	www.blainecounty-mt.gov

Blaine County is a county in the U.S. state of Montana. As of the 2010 census, the population was 6,491. Its county seat is Chinook. The county was named in honor of James G. Blaine, former United States Secretary of State. It is south of the Canada–US border with Saskatchewan.

In 1912 Blaine, Phillips and Hill counties withdrew from Chouteau County to form their own counties. The original boundary of Blaine County included a portion of land in the west that is included in Phillips County.

According to the U.S. Census Bureau, the county has a total area of 4,239 square miles (10,980 km²), of which 4,228 square miles (10,950 km²) is land and 11 square miles (28 km²) (0.3%) is water.

The majority of Fort Belknap Indian Reservation is located in the southeastern part of the county.

Features of the area include the Milk River, Bears Paw Mountains, and the Little Rocky Mountains.

As of the census of 2000, there were 7,009 people, 2,501 households, and 1,793 families residing in the county. The population density was 2 people per square mile (1/km²). There were 2,947 housing units at an average density of <1/km² (1/sq mi). The racial makeup of the county was 52.58% White, 0.17% Black or African American, 45.37% Native American, 0.09% Asian, 0.03% Pacific Islander, 0.23% from other races, and 1.54% from two or more races. 1.00% of the population were Hispanic or Latino of any race. 18.8% were of German and 8.1% Norwegian ancestry. 91.7% spoke English, 3.8% German and 2.0% Dakota as their first language.