Stanley County, South Dakota facts for kids
Quick facts for kids
Watercolor drawing of Fort Pierre Chouteau. Dated 1854.
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
|Named for||David S. Stanley|
|Largest city||Fort Pierre|
|• Total||1,517 sq mi (3,930 km2)|
|• Land||1,444 sq mi (3,740 km2)|
|• Water||73 sq mi (190 km2) 4.8%|
| • Estimate
|• Density||1.964/sq mi (0.7585/km2)|
|western portion||UTC−7 (Mountain)|
|• Summer (DST)||UTC−6 (MDT)|
|eastern portion||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Stanley County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,980. Its county seat is Fort Pierre. The county was created in 1873, and was organized in 1890. It is named for David S. Stanley, a commander at Fort Sully from 1866 to 1874, which was located nearby.
Stanley County is included in the Pierre, SD Micropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 1,517 square miles (3,930 km2), of which 1,444 square miles (3,740 km2) is land and 73 square miles (190 km2) (4.8%) is water.
Although the county seat Fort Pierre is located in the Mountain Time Zone, most residents of the city use Central Time because of close social and economic ties with Pierre, which is located in the Central Time Zone.
- U.S. Highway 14
- U.S. Highway 83
- South Dakota Highway 34
- South Dakota Highway 63
- South Dakota Highway 1806
- Dewey County, South Dakota - north
- Sully County, South Dakota - northeast
- Hughes County, South Dakota - east
- Lyman County, South Dakota - southeast
- Jones County, South Dakota - south
- Haakon County, South Dakota - west
National protected area
- Fort Pierre National Grassland (part)
|U.S. Decennial Census
As of the 2010 census, there were 2,966 people, 1,228 households, and 857 families in the county. The population density was 2.1 inhabitants per square mile (0.81/km2). There were 1,387 housing units at an average density of 1.0 per square mile (0.39/km2). The racial makeup of the county was 90.0% white, 6.6% American Indian, 0.3% black or African American, 0.1% Asian, 0.2% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 0.7% of the population. In terms of ancestry, 46.4% were German, 12.5% were Irish, 10.8% were English, 10.7% were Norwegian, 8.4% were Czech, 5.0% were Swedish, and 2.5% were American.
Of the 1,228 households, 30.8% had children under the age of 18 living with them, 56.7% were married couples living together, 8.5% had a female householder with no husband present, 30.2% were non-families, and 26.2% of all households were made up of individuals. The average household size was 2.42 and the average family size was 2.87. The median age was 41.9 years.
The median income for a household in the county was $51,875 and the median income for a family was $54,722. Males had a median income of $33,929 versus $25,574 for females. The per capita income for the county was $27,435. About 8.8% of families and 11.9% of the population were below the poverty line, including 18.1% of those under age 18 and 17.3% of those age 65 or over.
- Fort Pierre (county seat)
The county is divided into three areas of unorganized territory: Lower Brule, North Stanley, and South Stanley.
In popular culture
The Triple U Buffalo Ranch in northern Stanley County was used in filming the 1990 movie Dances with Wolves.
Stanley County, South Dakota Facts for Kids. Kiddle Encyclopedia.