County
· South Dakota
Brown County
Brown County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 38,301, making it the fourth most populous county in South Dakota, and was estimated to be 37,561 in 2025. Its county seat is Aberdeen. The county is named for Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879.
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Cities and towns 10
Townships 44
- Township of Aberdeen pop. 896
- Township of Allison pop. 26
- Township of Bates pop. 26
- Township of Bath pop. 702
- Township of Brainard pop. 102
- Township of Cambria pop. 123
- Township of Carlisle pop. 32
- Township of Claremont pop. 125
- Township of Columbia pop. 103
- Township of East Hanson pop. 115
- Township of East Rondell pop. 83
- Township of Franklyn pop. 31
- Township of Frederick pop. 48
- Township of Garden Prairie pop. 140
- Township of Garland pop. 72
- Township of Gem pop. 197
- Township of Greenfield pop. 35
- Township of Groton pop. 132
- Township of Hecla pop. 29
- Township of Henry pop. 124
- Township of Highland pop. 76
- Township of Lansing pop. 30
- Township of Liberty pop. 42
- Township of Lincoln pop. 1,167
- Township of Mercier pop. 168
- Township of New Hope pop. 101
- Township of North Detroit pop. 48
- Township of Oneota pop. 104
- Township of Ordway pop. 279
- Township of Osceola pop. 39
- Township of Palmyra pop. 61
- Township of Portage pop. 38
- Township of Prairiewood pop. 302
- Township of Putney pop. 88
- Township of Ravinia pop. 376
- Township of Richland pop. 63
- Township of Riverside pop. 63
- Township of Savo pop. 50
- Township of Shelby pop. 82
- Township of South Detroit pop. 49
- Township of Warner pop. 523
- Township of West Hanson pop. 47
- Township of West Rondell pop. 69
- Township of Westport pop. 85
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 209455
- FIPS state
- 46
- FIPS county
- 013
- FIPS place
- 99013
- Census record name
- COUNTY OF BROWN
- Mailing address
- 25 MARKET ST, ABERDEEN 57401