| Zip Code : | 50653 |
| City : | Marble Rock city, Roseville |
| County : | Floyd County |
| State : | Iowa (IA) |
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| Land Area : | 51.73 sq mi |
| Water Area : | 0.30 sq mi |
| Latitude : | 42.9685950 |
| Longitude : | -92.8857167 |
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| Population (2010): | 639 |
| Population Estimate (2012) : | 677 |
| Population Density : | 12.35/sq mi |
| Housing Units (2012) : | 299 |
| Median Household Income (2012) : | $62,500 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $77,045 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $68,500 (Iowa : $123,000, USA : $181,400) |