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Onaka

1. Onaka, South Dakota, United States [Populated Place] is in Faulk County; location is 45°11'34"N 99°27'57"W [SourceGSP]
2. Onaka, South Dakota, United States [Town]; population was 52 in 1990; housing units was 31 in 1990; location is 45°11'N 99°28'W; land area is 0.27 square miles (175 acres); FIPS code is 46980 [SourceCBP]
3. Onaka, South Dakota, United States Postal Service Zip Code is 57466 [SourcePSZ]