Timber Lake, South Dakota

Timber Lake
Blečháŋ (Lakota)
Location in Dewey County and the state of South Dakota
Coordinates: 45°25′46″N 101°04′17″W / 45.42944°N 101.07139°W / 45.42944; -101.07139
CountryUnited States
StateSouth Dakota
CountyDewey
Incorporated1910
Area
 • Total
0.61 sq mi (1.58 km2)
 • Land0.61 sq mi (1.58 km2)
 • Water0 sq mi (0.00 km2)
Elevation
2,165 ft (660 m)
Population
 (2020)
 • Total
509
 • Density833.4/sq mi (321.78/km2)
Time zoneUTC−7 (Mountain (MST))
 • Summer (DST)UTC−6 (MDT)
ZIP code
57656
Area code605
FIPS code46-63620
GNIS feature ID1267600
Websitewww.timberlakesd.org

Timber Lake (Lakota: Blečháŋ; "Tree Lake") is a city in and the county seat of Dewey County, South Dakota, United States. The population was 509 at the 2020 census.