Brown County, South Dakota
|Brown County, South Dakota|
Location in the state of South Dakota
South Dakota's location in the U.S.
|Founded||July 6, 1881|
1,731 sq mi (4,483 km²)
1,713 sq mi (4,437 km²)
18 sq mi (47 km²), 1.05%
21/sq mi (8/km²)
|Time zone||Central: UTC-6/-5|
Brown County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 36,531. Its county seat is Aberdeen. The county is named after Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879.
Brown County is part of the Aberdeen, South Dakota, Micropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 1,731 square miles (4,483.3 km2), of which 1,713 square miles (4,436.6 km2) is land and 18 square miles (46.6 km2) (1.05%) is water.
The county is divided into forty-four townships: Aberdeen, Allison, Bates, Bath, Brainard, Cambria, Carlisle, Claremont, Columbia, East Hanson, East Rondell, Franklyn, Frederick, Garden Prairie, Garland, Gem, Greenfield, Groton, Hecla, Henry, Highland, Lansing, Liberty, Lincoln, Mercier, New Hope, North Detroit, Oneota, Ordway, Osceola, Palmyra, Portage, Prairiewood, Putney, Ravinia, Richland, Riverside, Savo, Shelby, South Detroit, Warner, West Hanson, Westport, West Rondell.
Major Highways 
Adjacent Counties 
- Dickey County, North Dakota - north
- Sargent County, North Dakota - northeast
- Marshall County, South Dakota - east
- Day County, South Dakota - southeast
- Spink County, South Dakota - south
- Faulk County, South Dakota - southwest
- Edmunds County, South Dakota - southwest
- McPherson County, South Dakota - northwest
National protected area 
As of the census of 2000, there were 35,460 people, 14,638 households, and 9,324 families residing in the county. The population density was 21 people per square mile (8/km²). There were 15,861 housing units at an average density of 9 per square mile (4/km²). The racial makeup of the county was 95.47% White, 0.28% Black or African American, 2.72% Native American, 0.40% Asian, 0.09% Pacific Islander, 0.18% from other races, and 0.86% from two or more races. 0.67% of the population were Hispanic or Latino of any race. 55.0% were of German and 12.7% of Norwegian ancestry.
There were 14,638 households out of which 29.60% had children under the age of 18 living with them, 52.80% were married couples living together, 7.90% had a female householder with no husband present, and 36.30% were non-families. 30.80% of all households were made up of individuals and 12.10% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.91.
In the county, the population was spread out with 23.60% under the age of 18, 11.60% from 18 to 24, 26.70% from 25 to 44, 21.90% from 45 to 64, and 16.20% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 89.50 males.
The median income for a household in the county was $35,017, and the median income for a family was $44,788. Males had a median income of $29,592 versus $20,445 for females. The per capita income for the county was $18,464. About 7.00% of families and 9.90% of the population were below the poverty line, including 10.30% of those under age 18 and 10.30% of those age 65 or over.
Cities and towns 
- Aberdeen (Population:26,091)
- Claremont (Population:127)
- Columbia (Population:136)
- Frederick (Population:199)
- Groton (Population:1,458)
- Hecla (Population:227)
- Mansfield * (Population:93)
- Stratford (Population:72)
- Verdon (Population:5)
- Warner (Population:457)
- Westport (Population:133)
- Half of Mansfield is in Brown County and the other half is in Spink County.
See also 
- Legislative Manual, South Dakota, 2005, p. 596
- "2010 Census Redistricting Data (Public Law 94-171) Summary File". American FactFinder. United States Census Bureau. Retrieved 18 March 2013.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "U.S. Decennial Census". Census.gov. Retrieved March 18, 2013.
- "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Retrieved March 18, 2013.
- "Incorporated Places and Minor Civil Divisions: South Dakota". Population Census. 2010 United States Census. 2011-07-18. Retrieved 2011-08-04.
||McPherson County||Dickey County, North Dakota||Sargent County, North Dakota|
|Edmunds County and Faulk County||Spink County||Day County|