Brown County
Sign in to saveAlso known as Brown County, South Dakota, Brown County, SD
county in South Dakota, United States
Key facts
- Country
- United States
- State
- South Dakota
- Founded
- July 6, 1881
- Named after
- Alfred Brown
- Seat
- Aberdeen
- Largest city
- Aberdeen
- Total
- 1,730.951 sq mi (4,483.14 km )
- Land
- 1,713.030 sq mi (4,436.73 km )
- Water
- 17.921 sq mi (46.42 km ) 1.0%
- Estimate 2025
- 37,561
- Density
- 22/sq mi (8.5/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- At-large
- Website
- brown.sd.us
via Wikipedia infobox
Wikidata facts
- Country
- United States
- Located in
- South Dakota
- Contains
- Aberdeen
- Capital
- Aberdeen
- Population
- 38301
- Area
- 4484
- Time zone
- UTC−06:00
- Shares border with
- McPherson County
- Headquarters
- Aberdeen
- Official website
- www.brown.sd.us
- Image
- Brown County Courthouse (Aberdeen) - restored.jpg
- Households
- 16245
Show 9 more facts
- category of associated people
- Category:People from Brown County, South Dakota
- Commons category
- Brown County, South Dakota
- topic's main category
- Category:Brown County, South Dakota
- inception
- 1881-00-00
- different from
- Brown County
- water as percent of area
- 1
- native label
- Brown County
- per capita income
- 33535
- topic has template
- Template:Brown County, South Dakota
Sources (8)
via Wikidata · CC0
~7 min read
Encyclopedic overview
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.
Brown County is part of the Aberdeen, SD Micropolitan Statistical Area.
Excerpted from Wikipedia’s “Brown County” article, available under the CC BY-SA 4.0 licence.
On the map
2 mapped locations