Brookings County, South Dakota facts for kids
Quick facts for kids
Brookings County Courthouse in Brookings
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
July 3, 1871 (organized)
|Named for||Wilmot Wood Brookings|
|• Total||805 sq mi (2,080 km2)|
|• Land||792 sq mi (2,050 km2)|
|• Water||13 sq mi (30 km2) 1.6%|
| • Estimate
|• Density||42.702/sq mi (16.487/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Brookings County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 34,375, making it the fifth-most populous county in South Dakota. Its county seat is Brookings. The county was created in 1862 and organized in 1871.
Brookings County comprises the Brookings, SD Micropolitan Statistical Area.
The county was founded July 3, 1871, and was named after Wilmot Wood Brookings (1830 - 1905), a politician and pioneer of southeastern South Dakota. Medary was the first county seat for eight years from 1871-1879
According to the U.S. Census Bureau, the county has a total area of 805 square miles (2,080 km2), of which 782 square miles (2,030 km2) is land and 13 square miles (34 km2) (1.6%) is water.
- Brush Lake
- Johnson Lake
- Lake Campbell
- Lake Goldsmith
- Lake Poinsett
- Lake Sinai
- Lake Tetonkaha
- Oakwood Lake
- Deuel County - north
- Lincoln County, Minnesota - east
- Moody County - south
- Lake County, South Dakota - southwest
- Kingsbury County - west
- Hamlin County - northwest
|US Decennial Census
As of the 2010 United States Census, there were 31,965 people, 12,029 households, and 6,623 families in the county. The population density was 40.3 inhabitants per square mile (15.6/km2). There were 13,137 housing units at an average density of 16.6 per square mile (6.4/km2). The racial makeup of the county was 93.2% white, 2.7% Asian, 0.9% American Indian, 0.8% black or African American, 0.9% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 2.0% of the population. In terms of ancestry, 47.9% were German, 24.3% were Norwegian, 11.9% were Irish, 6.9% were English, 6.1% were Dutch, and 2.0% were American.
Of the 12,029 households, 25.9% had children under the age of 18 living with them, 45.6% were married couples living together, 6.1% had a female householder with no husband present, 44.9% were non-families, and 29.6% of all households were made up of individuals. The average household size was 2.36 and the average family size was 2.93. The median age was 26.3 years.
The median income for a household in the county was $45,134 and the median income for a family was $63,338. Males had a median income of $40,425 versus $30,023 for females. The per capita income for the county was $20,995. About 5.9% of families and 19.1% of the population were below the poverty line, including 8.2% of those under age 18 and 7.6% of those age 65 or over.
- Interstate 29
- U.S. Highway 14
- U.S. Highway 81
- South Dakota Highway 13
- South Dakota Highway 30
- South Dakota Highway 324
- Brookings Regional Airport
- Arlington Municipal Airport
The county is divided into twenty-three townships:
- Lake Hendricks
- Lake Sinai
Brookings County, South Dakota Facts for Kids. Kiddle Encyclopedia.