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About Sinai, South Dakota

Sinai (pronounced "SY'-nee-eye" ) is a town in Brookings County, South Dakota, United States. The population was 120 at the 2010 census.

News from Sinai

Sinai Facts

  • Population Total: 120
  • Square Miles: 0.4
  • Area Code: 605
  • Elevation: 1781
  • Postal Codes: 57061
  • Timezone: North American Central