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Brown County, South Dakota

Brown County, South Dakota
Brown County Courthouse
Map of South Dakota highlighting Brown County
Location in the state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location in the U.S.
Founded July 6, 1881[1]
Seat Aberdeen
Largest city Aberdeen
 • Total 1,731 sq mi (4,483 km2)
 • Land 1,713 sq mi (4,437 km2)
 • Water 18 sq mi (47 km2), 1.0%
Population (est.)
 • (2014) 38,408
 • Density 21/sq mi (8/km²)
Congressional district At-large
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,[2] making it the fourth-most populous county in South Dakota. Its county seat is Aberdeen.[3] The county is named after Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879.[1][4]

Brown County is part of the Aberdeen, SD Micropolitan Statistical Area.


  • Geography 1
    • Major highways 1.1
    • Adjacent counties 1.2
    • National protected area 1.3
  • Demographics 2
  • Politics 3
  • Communities 4
    • Cities 4.1
    • Towns 4.2
    • Census-designated places 4.3
    • Unincorporated communities 4.4
    • Townships 4.5
  • See also 5
  • External links 6
  • References 7


According to the U.S. Census Bureau, the county has a total area of 1,731 square miles (4,480 km2), of which 1,713 square miles (4,440 km2) is land and 18 square miles (47 km2) (1.0%) is water.[5]

Major highways

Adjacent counties

National protected area


As of the census[11] 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.


Brown County was long a Democratic stronghold home to notable Democrats like Governor Ralph Herseth, U.S. Senate majority leader Tom Daschle, and Congresswoman Stephanie Herseth Sandlin. Although in recent years it has trended Republican, as of 2014 the Brown county commission has a total of 4 Republicans and 1 Democrat. Also 2 of the 3 legislative districts in Brown county are now held completely by Republicans.




Census-designated places

Unincorporated communities


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

See also

External links

  • Brown County, SD government website


  1. ^ a b Legislative Manual, South Dakota, 2005, p. 596
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 26, 2013. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ History of the Origin of the Place Names in Nine Northwestern States. 1908. p. 12. 
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 22, 2015. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 22, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 22, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 22, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 22, 2015. 
  11. ^ "American FactFinder".  

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