Aberdeen, South Dakota

Aberdeen, South Dakota
Ablíla
Downtown
Capitol Theatre
Aberdeen Federal Building
Dacotah Prairie Museum
Aberdeen Civic Arena
Location of Aberdeen
Aberdeen
Aberdeen
Coordinates: 45°27′53″N 98°28′05″W / 45.464678°N 98.468104°W / 45.464678; -98.468104
CountryUnited States
StateSouth Dakota
CountyBrown
EstablishedJune 15, 1879
Settled1880
Incorporated (town)July 6, 1881
Incorporated (city)May 8, 1882
Government
 • MayorTravis Schaunaman
 • City managerDavid McNeal
Area
 • City
16.652 sq mi (43.128 km2)
 • Land16.574 sq mi (42.927 km2)
 • Water0.078 sq mi (0.203 km2)  0.47%
Elevation
1,299 ft (396 m)
Population
 (2020)
 • City
28,495
 • Estimate 
(2024)
27,919
 • RankUS: 1433rd
SD: 3rd
 • Density1,684.5/sq mi (650.39/km2)
 • Urban
27,982
 • Metro
41,522 (US: 306th)
DemonymAberdonian
Time zoneUTC–6 (Central (CST))
 • Summer (DST)UTC–5 (CDT)
ZIP Codes
57401–57402
Area code605
FIPS code46-00100
GNIS feature ID1267258
HighwaysUS 12, US 281
Websiteaberdeen.sd.us

Aberdeen (Lakota: Ablíla) is a city in and the county seat of Brown County, South Dakota, United States. The population was 28,495 at the 2020 census, and was estimated to be 27,919 in 2024, making it the third-most populous city in the state. Aberdeen is home of Northern State University.