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Richland County, Montana


Richland County, Montana

Richland County, Montana
The Richland County Courthouse in Sidney
Map of Montana highlighting Richland County
Location in the state of Montana
Map of the United States highlighting Montana
Montana's location in the U.S.
Founded May 27, 1914
Seat Sidney
Largest city Sidney
 • Total 2,103 sq mi (5,447 km2)
 • Land 2,084 sq mi (5,398 km2)
 • Water 19 sq mi (49 km2), 0.9%
Population (est.)
 • (2014) 11,576
 • Density 4.7/sq mi (2/km²)
Congressional district At-large
Time zone Mountain: UTC-7/-6
Website .org.richlandwww

Richland County is a county located in the State of Montana. As of the 2010 census, the population was 9,746.[1] Its county seat is Sidney.[2]

Richland County was created by the Montana Legislature in 1914 from part of Dawson County. An early proposed name for the county was Gate, but Richland was decided upon instead as a way to entice new settlers.[3]


  • Geography 1
    • Major highways 1.1
    • Adjacent counties 1.2
  • Demographics 2
  • Economy 3
  • Citizen Identified Communities 4
    • Incorporated Communities 4.1
    • Unincorporated community 4.2
  • Federally-Identified Locales 5
    • Zip-Code Territories 5.1
    • Census-designated places 5.2
  • See also 6
  • References 7


According to the U.S. Census Bureau, the county has a total area of 2,103 square miles (5,450 km2), of which 2,084 square miles (5,400 km2) is land and 19 square miles (49 km2) (0.9%) is water.[4]

Major highways

Adjacent counties


As of the census of 2000, there were 9,667 people, 3,878 households, and 2,652 families residing in the county. The population density was 5 people per square mile (2/km²). There were 4,557 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 96.57% White, 0.09% Black or African American, 1.46% Native American, 0.18% Asian, 0.01% Pacific Islander, 0.85% from other races, and 0.85% from two or more races. 2.16% of the population were Hispanic or Latino of any race. 32.3% were of German, 22.4% Norwegian, 7.2% Irish, 6.2% English and 5.4% American ancestry.

There were 3,878 households out of which 33.60% had children under the age of 18 living with them, 57.30% were married couples living together, 7.40% had a female householder with no husband present, and 31.60% were non-families. 28.80% of all households were made up of individuals and 12.90% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.04.

In the county the population was spread out with 27.50% under the age of 18, 6.40% from 18 to 24, 26.80% from 25 to 44, 23.80% from 45 to 64, and 15.60% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 98.70 males. For every 100 females age 18 and over, there were 94.90 males.

The median income for a household in the county was $32,110, and the median income for a family was $39,348. Males had a median income of $29,069 versus $19,203 for females. The per capita income for the county was $16,006. About 8.10% of families and 12.20% of the population were below the poverty line, including 13.90% of those under age 18 and 9.00% of those age 65 or over.


Although most of the surface land of the county is devoted to ranching, oil exploration and production became important elements of the county's economy beginning with the discovery in 2000 of Elm Coulee Oil Field, part of the Bakken formation.[10]

Citizen Identified Communities

Incorporated Communities

Unincorporated community

Federally-Identified Locales

Zip-Code Territories

Census-designated places

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved September 16, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Montana Place Names Companion". Montana Place Names From Alzada to Zortman. Montana Historical Society Research Center. Retrieved 9 May 2011. 
  4. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved November 29, 2014. 
  5. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved November 29, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved November 29, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved November 29, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved November 29, 2014. 
  10. ^ Browning, Gil. "Montana’s Vast Untapped Oil Reserves". Retrieved 10 February 2014. 

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