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About Timber Lake, South Dakota

Timber Lake is a city in Dewey County, South Dakota, United States. The population was 443 at the 2010 census. It is the county seat of Dewey County.

News from Timber Lake

Timber Lake Facts

  • Population Total: 443
  • Square Miles: 0.4
  • Area Code: 605
  • Elevation: 2169
  • Postal Codes: 57656
  • Timezone: Mountain