| Zip Code : | 52305 |
| City : | Martelle city |
| County : | Jones County, Linn County |
| State : | Iowa (IA) |
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| Land Area : | 28.38 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.0191965 |
| Longitude : | -91.3392253 |
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| Population (2010): | 629 |
| Population Estimate (2012) : | 596 |
| Population Density : | 22.17/sq mi |
| Housing Units (2012) : | 274 |
| Median Household Income (2012) : | $58,889 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $62,344 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $159,100 (Iowa : $123,000, USA : $181,400) |