Grant County, South Dakota
|Grant County, South Dakota|
Location in the state of South Dakota
South Dakota's location in the U.S.
|Founded||January 8, 1873|
|Named for||Ulysses S. Grant|
688 sq mi (1,782 km²)
683 sq mi (1,768 km²)
5 sq mi (14 km²), 0.78%
12/sq mi (4/km²)
|Time zone||Central: UTC-6/-5|
According to the U.S. Census Bureau, the county has a total area of 688 square miles (1,781.9 km2), of which 683 square miles (1,769.0 km2) is land and 5 square miles (12.9 km2) (0.78%) is water. The lowest point in the state of South Dakota is located on Big Stone Lake at Big Stone City in Grant County, adjacent to Ortonville, Minnesota, where the lake flows into the Minnesota River.
The county is divided into seventeen townships: Adams, Alban, Big Stone, Blooming Valley, Farmington, Georgia, Grant Center, Kilborn, Lura, Madison, Mazeppa, Melrose, Osceola, Stockholm, Troy, Twin Brooks, Vernon.
Major highways 
Adjacent counties 
- Roberts County, South Dakota - north
- Big Stone County, Minnesota - northeast
- Lac qui Parle County, Minnesota - east
- Deuel County, South Dakota - south
- Codington County, South Dakota - southwest
- Day County, South Dakota - west
||Roberts County||Big Stone County, Minnesota|
|Day County||Lac qui Parle County, Minnesota|
|Codington County||Deuel County|
As of the census of 2000, there were 7,847 people, 3,116 households, and 2,156 families residing in the county. The population density was 12 people per square mile (4/km²). There were 3,456 housing units at an average density of 5 per square mile (2/km²). The racial makeup of the county was 98.61% White, 0.01% Black or African American, 0.43% Native American, 0.23% Asian, 0.40% from other races, and 0.32% from two or more races. 0.55% of the population were Hispanic or Latino of any race. 52.0% were of German, 16.3% Norwegian and 5.4% American ancestry according to the 2000 census.
There were 3,116 households out of which 33.40% had children under the age of 18 living with them, 60.60% were married couples living together, 5.20% had a female householder with no husband present, and 30.80% were non-families. 28.60% of all households were made up of individuals and 15.00% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.02.
In the county, the population was spread out with 26.60% under the age of 18, 5.70% from 18 to 24, 25.10% from 25 to 44, 23.50% from 45 to 64, and 19.10% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 96.10 males.
The median income for a household in the county was $33,088, and the median income for a family was $40,407. Males had a median income of $27,941 versus $20,192 for females. The per capita income for the county was $16,543. About 7.50% of families and 9.90% of the population were below the poverty line, including 9.80% of those under age 18 and 10.30% of those age 65 or over.
Cities and towns 
- 3,305 - Milbank
- 460 - Big Stone City
- 118 - Revillo
- 107 - Stockholm
- 71 - Strandburg
- 68 - Twin Brooks
- 67 - La Bolt
- 34 - Marvin
- 16 - Albee
- ? - Troy
See also 
- United States Census Bureau. "2010 Census Data". United States Census Bureau. Retrieved 26 July 2011.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "U.S. Decennial Census". Census.gov. Retrieved May 20, 2013.
- "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Retrieved May 20, 2013.
- "Annual Estimates of the Resident Population for Incorporated Places in South Dakota". United States Census Bureau. 2013-05-20. Retrieved 2013-05-20.