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Liberty County, Montana facts for kids

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Liberty County
Liberty County Courthouse in Chester
Liberty County Courthouse in Chester
Map of Montana highlighting Liberty 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 February 11, 1920
Seat Chester
Largest town Chester
 • Total 1,447 sq mi (3,750 km2)
 • Land 1,430 sq mi (3,700 km2)
 • Water 17 sq mi (40 km2)  1.2%
 • Total 1,959
 • Density 1.3538/sq mi (0.52272/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district At-large
  • Montana county number 48

Liberty County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,959. Its county seat is Chester. The decision to separate the future Liberty County area from the previous Hill and Chouteau counties was carried in a 1919 vote; the organization was authorized to commence in the following February.

The southwestern corner of Liberty County holds Tiber Dam, a popular tourist and recreation area.


According to the U.S. Census Bureau, the county has a total area of 1,447 square miles (3,750 km2), of which 1,430 square miles (3,700 km2) is land and 17 square miles (44 km2) (1.2%) is water.

Adjacent counties


Historical population
Census Pop.
1920 2,416
1930 2,198 −9.0%
1940 2,209 0.5%
1950 2,180 −1.3%
1960 2,624 20.4%
1970 2,359 −10.1%
1980 2,329 −1.3%
1990 2,295 −1.5%
2000 2,158 −6.0%
2010 2,339 8.4%
2020 1,959 −16.2%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2020

2010 census

As of the 2010 census, there were 2,339 people, 822 households, and 537 families living in the county. The population density was 1.6 inhabitants per square mile (0.62/km2). There were 1,043 housing units at an average density of 0.7 per square mile (0.27/km2). The racial makeup of the county was 98.2% white, 0.2% American Indian, 0.1% black or African American, 0.1% Asian, 0.2% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 0.3% of the population. In terms of ancestry, 55.4% were German, 24.1% were Norwegian, 14.5% were Irish, 9.9% were English, and 1.4% were American.

Of the 822 households, 23.7% had children under the age of 18 living with them, 59.5% were married couples living together, 4.7% had a female householder with no husband present, 34.7% were non-families, and 32.2% of all households were made up of individuals. The average household size was 2.36 and the average family size was 3.00. The median age was 44.6 years.

The median income for a household in the county was $40,212 and the median income for a family was $44,957. Males had a median income of $35,788 versus $30,714 for females. The per capita income for the county was $19,097. About 12.4% of families and 19.5% of the population were below the poverty line, including 31.6% of those under age 18 and 15.6% of those age 65 or over.



Census-designated place

Unincorporated communities

See also

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

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