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Oacoma

1. Oacoma, South Dakota, United States [Populated Place] is in Lyman County; location is 43°47'46"N 99°23'43"W; elevation is 1,390 feet [SourceGSP]
2. Oacoma, South Dakota, United States [Town]; population was 367 in 1990; housing units was 145 in 1990; location is 43°48'N 99°23'W; land area is 1.53 square miles (981 acres); water area is 1.69 square miles (1,079 acres); FIPS code is 46180 [SourceCBP]
3. Oacoma, South Dakota, United States Postal Service Zip Code is 57365 [SourcePSZ]