Crook County, Wyoming facts for kids
Quick facts for kids
Crook County Courthouse
Location within the U.S. state of Wyoming
Wyoming's location within the U.S.
|Founded||December 8, 1875 (authorized)
|Named for||George Crook|
|• Total||2,865 sq mi (7,420 km2)|
|• Land||2,854 sq mi (7,390 km2)|
|• Water||11 sq mi (30 km2) 0.4%%|
| • Estimate
|• Density||2.5065/sq mi (0.96775/km2)|
|Time zone||UTC−7 (Mountain)|
|• Summer (DST)||UTC−6 (MDT)|
Crook County is a county in the northeastern section of the U.S. state of Wyoming. As of the 2020 United States Census, the population was 7,181, making it the third-least populous county in Wyoming. Its county seat is Sundance.
Crook County was created by the legislature of the Wyoming Territory on December 8, 1875, from portions of Albany and Laramie Counties. It was organized in 1888.
Crook County was named for Brigadier General George Crook, a commander during the Indian Wars. In 1890, Crook County lost territory when Weston County was created. Campbell County was formed with land ceded by Crook County in 1911.
According to the U.S. Census Bureau, the county has a total area of 2,865 square miles (7,420 km2), of which 2,854 square miles (7,390 km2) is land and 11 square miles (28 km2) (0.4%) is water. The lowest point in the state of Wyoming is located on the Belle Fourche River in Crook County, where it flows out of Wyoming and into South Dakota.
Devils Tower National Monument is located in the Bear Lodge Mountains in Crook County.
- Campbell County - west
- Weston County - south
- Lawrence County, South Dakota - east
- Butte County, South Dakota - east
- Carter County, Montana - north
- Powder River County, Montana - northwest
National protected areas
- Black Hills National Forest (part)
- Devils Tower National Monument
- Thunder Basin National Grassland (part)
|US Decennial Census
As of the 2010 United States Census, there were 7,083 people, 2,921 households, and 2,016 families in the county. The population density was 2.5 inhabitants per square mile (0.97/km2). There were 3,595 housing units at an average density of 1.3 per square mile (0.50/km2). The racial makeup of the county was 97.2% white, 0.7% American Indian, 0.2% black or African American, 0.2% Asian, 0.6% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 2.0% of the population. In terms of ancestry, 38.8% were German, 16.5% were English, 14.5% were Irish, 9.5% were Swedish, and 3.8% were American.
Of the 2,921 households, 28.4% had children under the age of 18 living with them, 59.2% were married couples living together, 6.5% had a female householder with no husband present, 31.0% were non-families, and 25.0% of all households were made up of individuals. The average household size was 2.41 and the average family size was 2.90. The median age was 43.6 years.
The median income for a household in the county was $49,890 and the median income for a family was $55,765. Males had a median income of $47,821 versus $32,217 for females. The per capita income for the county was $24,520. About 6.5% of families and 7.8% of the population were below the poverty line, including 10.8% of those under age 18 and 8.0% of those age 65 or over.
- Pine Haven
- Sundance (county seat)