Roberts County, South Dakota facts for kids
Quick facts for kids
Roberts County Courthouse
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
|Founded||March 8, 1883 (organized)
August 6, 1883 (organized)
|Named for||S. G. Roberts|
|• Total||1,136 sq mi (2,940 km2)|
|• Land||1,101 sq mi (2,850 km2)|
|• Water||35 sq mi (90 km2) 3.1%|
| • Estimate
|• Density||9.049/sq mi (3.494/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Roberts County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 10,280. Its county seat is Sisseton. The county was named either for S. G. Roberts of Fargo, North Dakota, or for Solomon Robar, an early local French fur trader. It was created on March 8, 1883, and fully organized by August 6 of that year. Its boundary was altered once, in 1885.
According to the U.S. Census Bureau, the county has a total area of 1,136 square miles (2,940 km2), of which 1,101 square miles (2,850 km2) is land and 35 square miles (91 km2) (3.1%) is water.
- Richland County, North Dakota - north
- Traverse County, Minnesota - northeast
- Big Stone County, Minnesota - southeast
- Grant County, South Dakota - south
- Day County, South Dakota - southwest
- Marshall County, South Dakota - west
|US Decennial Census
As of the 2010 United States Census, there were 10,149 people, 3,823 households, and 2,655 families residing in the county. The population density was 9.2 inhabitants per square mile (3.6/km2). There were 4,905 housing units at an average density of 4.5 per square mile (1.7/km2). The racial makeup of the county was 61.7% white, 34.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 31.3% were German, 19.2% were Norwegian, 6.3% were Irish, and 3.8% were American.
Of the 3,823 households, 34.4% had children under the age of 18 living with them, 49.1% were married couples living together, 13.4% had a female householder with no husband present, 30.6% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.58 and the average family size was 3.11. The median age was 39.5 years.
The median income for a household in the county was $37,708 and the median income for a family was $46,146. Males had a median income of $34,080 versus $28,423 for females. The per capita income for the county was $19,825. About 14.3% of families and 20.0% of the population were below the poverty line, including 33.9% of those under age 18 and 11.0% of those age 65 or over.
The county is divided into thirty-one townships:
- Dry Wood Lake
- Long Hollow
- One Road
- Spring Grove
- White Rock
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