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Valley County, Montana facts for kids

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Valley County
Valley County Courthouse in Glasgow
Valley County Courthouse in Glasgow
Map of Montana highlighting Valley County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Country  United States
State  Montana
Founded 1893
Seat Glasgow
Largest city Glasgow
 • Total 5,062 sq mi (13,110 km2)
 • Land 4,926 sq mi (12,760 km2)
 • Water 136 sq mi (350 km2)  2.7%
 • Total 7,578
 • Density 1.49704/sq mi (0.57801/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district At-large
  • Montana county number 20

Valley County is a county in the U.S. state of Montana. Valley County was created in 1893 with area partitioned from Dawson County. As of the 2020 United States Census, the population was 7,578. Its county seat is Glasgow. It is located on the Canada–United States border with Saskatchewan.


According to the U.S. Census Bureau, the county has a total area of 5,062 square miles (13,110 km2), of which 4,926 square miles (12,760 km2) is land and 136 square miles (350 km2) (2.7%) is water. It is the fourth-largest county in Montana by total area.

Major highways

  • US 2.svg U.S. Highway 2
  • MT-24.svg Montana Highway 24
  • MT-42.svg Montana Highway 42
  • MT-117.svg Montana Highway 117
  • MT-sec-248.svg Montana Secondary Highway 248

Adjacent counties and rural municipalities

National protected area


Historical population
Census Pop.
1900 4,355
1910 13,630 213.0%
1920 11,542 −15.3%
1930 11,181 −3.1%
1940 15,181 35.8%
1950 11,353 −25.2%
1960 17,080 50.4%
1970 11,471 −32.8%
1980 10,250 −10.6%
1990 8,239 −19.6%
2000 7,675 −6.8%
2010 7,369 −4.0%
2020 7,578 2.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

2010 census

As of the 2010 United States Census, there were 7,369 people, 3,198 households, and 1,997 families living in the county. The population density was 1.5 inhabitants per square mile (0.58/km2). There were 4,879 housing units at an average density of 1.0/square mile (0.4/km2). The racial makeup of the county was 87.0% white, 9.8% American Indian, 0.5% Asian, 0.2% black or African American, 0.3% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 33.4% were German, 27.9% were Norwegian, 12.4% were Irish, 10.3% were English, and 6.8% were American.

Of the 3,198 households, 26.9% had children under the age of 18 living with them, 50.3% were married couples living together, 8.0% had a female householder with no husband present, 37.6% were non-families, and 33.4% of all households were made up of individuals. The average household size was 2.26 and the average family size was 2.88. The median age was 46.4 years.

The median income for a household in the county was $42,050 and the median income for a family was $54,096. Males had a median income of $40,802 versus $30,272 for females. The per capita income for the county was $24,305. About 5.7% of families and 10.1% of the population were below the poverty line, including 17.0% of those under age 18 and 11.8% of those age 65 or over.




Census-designated places

Unincorporated communities

Ghost towns

Census Maps

Valley County Census Districts 1940
Valley County Census Districts 1940
Valley County Census Districts, colored, 2010 U.S. Census
Valley County Census Districts, colored, 2010 U.S. Census


Agriculture is the major economic activity of Valley County. The US Air Force operated Glasgow Air Force Base at St. Marie until 1976, which was a strong influence on the local economy until its closure.

See also

Kids robot.svg In Spanish: Condado de Valley (Montana) para niños

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