Big Horn County, Wyoming

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Big Horn County, Wyoming
Map of Wyoming highlighting Big Horn County
Location in the state of Wyoming
Map of the United States highlighting Wyoming
Wyoming's location in the U.S.
Founded 1896
Seat Basin
Largest town Lovell
 • Total 3,159 sq mi (8,182 km2)
 • Land 3,137 sq mi (8,125 km2)
 • Water 22 sq mi (57 km2), 0.7%
 • (2010) 11,668
 • Density 3.7/sq mi (1/km²)
Congressional district At-large
Time zone Mountain: UTC-7/-6

Big Horn County is a county located in the U.S. state of Wyoming. As of the 2010 census, the population was 11,668.[1] The county seat is Basin.[2] It is south from the Montana state line.


Big Horn County was created by the legislature of Wyoming Territory on March 12, 1890. The county was created with lands ceded by Fremont County, Johnson County, and Sheridan County.[3]

Big Horn County was named for the Big Horn Mountains which form its eastern boundary.[4] Originally, the county included the entire Big Horn Basin.

In 1909, Park County, was detached from Big Horn County. In 1911, Hot Springs County, and Washakie County were detached from Big Horn County. At that point in time, the county got its present borders.

The current sheriff of Big Horn County is Ken Blackburn.


According to the U.S. Census Bureau, the county has a total area of 3,159 square miles (8,180 km2), of which 3,137 square miles (8,120 km2) is land and 22 square miles (57 km2) (0.7%) is water.[5]

Adjacent counties[edit]

Big Horn County in Wyoming and Montana are two of twenty-two counties or parishes in the United States with the same name to border each other across state lines. The others are Sabine County, Texas and Sabine Parish, Louisiana, Union County, Arkansas and Union Parish, Louisiana, Bristol County, Massachusetts and Bristol County, Rhode Island, Kent County, Maryland and Kent County, Delaware, Escambia County, Alabama and Escambia County, Florida, Pike County, Illinois and Pike County, Missouri, Teton County, Idaho and Teton County, Wyoming, Park County, Montana and Park County, Wyoming, San Juan County, New Mexico and San Juan County, Utah, and Vermilion County, Illinois and Vermillion County, Indiana. respectively. (Note, despite the different spellings, the source of the name is the same for Vermilion County, Illinois and Vermillion County, Indiana—the Vermillion River which flows through both counties.)

Major Highways[edit]

National protected areas[edit]


Historical population
Census Pop.
1900 4,328
1910 8,886 105.3%
1920 12,105 36.2%
1930 11,222 −7.3%
1940 12,911 15.1%
1950 13,176 2.1%
1960 11,898 −9.7%
1970 10,202 −14.3%
1980 11,896 16.6%
1990 10,525 −11.5%
2000 11,461 8.9%
2010 11,668 1.8%
Est. 2014 11,930 2.2%
U.S. Decennial Census[6]
1870-2000[7] 2010-2012[1]

As of the census[8] of 2000, there were 11,461 people, 4,312 households, and 3,087 families residing in the county. The population density was 4 people per square mile (1/km²). There were 5,105 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 94.03% White, 0.11% Black or African American, 0.75% Native American, 0.21% Asian, 0.07% Pacific Islander, 3.37% from other races, and 1.46% from two or more races. 6.17% of the population were Hispanic or Latino of any race. 23.0% were of German, 21.4% English, 8.1% American and 8.0% Irish ancestry according to Census 2000.

There were 4,312 households out of which 32.50% had children under the age of 18 living with them, 61.00% were married couples living together, 6.80% had a female householder with no husband present, and 28.40% were non-families. 25.00% of all households were made up of individuals and 11.90% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.13.

In the county the population was spread out with 28.70% under the age of 18, 7.30% from 18 to 24, 22.60% from 25 to 44, 24.60% from 45 to 64, and 16.80% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 100.20 males. For every 100 females age 18 and over, there were 97.10 males.

The median income for a household in the county was $32,682, and the median income for a family was $38,237. Males had a median income of $30,843 versus $19,489 for females. The per capita income for the county was $15,086. About 10.20% of families and 14.10% of the population were below the poverty line, including 19.20% of those under age 18 and 10.00% of those age 65 or over.

Government and infrastructure[edit]

The Wyoming Department of Health Wyoming Retirement Center, a nursing home,[9] is located in Basin.[10][11] The facility was operated by the Wyoming Board of Charities and Reform until that agency was dissolved as a result of a state constitutional amendment passed in November 1990.[12]


Big Horn County has 4 public school districts:[13]



Census-designated places[edit]

Other communities[edit]

See also[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved January 25, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Long, John H. (2006). "Wyoming: Individual County Chronologies". Wyoming Atlas of Historical County Boundaries. The Newberry Library. Archived from the original on 18 July 2011. Retrieved 2011-09-06. 
  4. ^ Urbanek, Mae (1988). Wyoming Place Names. Missoula, MT: Mountain Press Publishing Company. ISBN 0-87842-204-8. 
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved January 25, 2014. 
  7. ^ "Historical Decennial Census Population for Wyoming Counties, Cities, and Towns". Wyoming Department of Administration & Information, Division of Economic Analysis. Retrieved January 25, 2014. 
  8. ^ "American FactFinder". United States Census Bureau. Retrieved 2011-05-14. 
  9. ^ "WDH Who We Are - Wyoming Retirement Center." Wyoming Department of Health. Retrieved on December 12, 2010.
  10. ^ "WDH Directory." Wyoming Department of Health. Retrieved on December 12, 2010. "890 Highway 20, Basin WY 82410 Fax (307) 568-3887" (Retirement Center)
  11. ^ "Basin town, Wyoming." U.S. Census Bureau. Retrieved on December 12, 2010.
  12. ^ "About the Department of Corrections." Wyoming Department of Corrections. Retrieved on August 22, 2010.
  13. ^ Wyoming Department of Education School Calendar 2007-2008, retrieved 2008-05-08

External links[edit]

Coordinates: 44°32′N 107°59′W / 44.53°N 107.99°W / 44.53; -107.99