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Marble Rock

1. Marble Rock, Iowa, United States [City]; population was 361 in 1990; housing units was 154 in 1990; location is 42°58'N 92°52'W; land area is 0.83 square miles (534 acres); water area is 0.04 square miles (24 acres); FIPS code is 49305 [SourceCBP]
2. Marble Rock, Iowa, United States [Populated Place] is in Floyd County; location is 42°57'55"N 92°52'6"W [SourceGSP]
3. Marble Rock, Iowa, United States Postal Service Zip Code is 50653 [SourcePSZ]