| Zip Code : | 52321 |
| City : | Onslow city |
| County : | Jones County |
| State : | Iowa (IA) |
| Land Area : | 30.05 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.1472280 |
| Longitude : | -90.9832319 |
| Population (2010): | 404 |
| Population Estimate (2012) : | 531 |
| Population Density : | 13.44/sq mi |
| Housing Units (2012) : | 197 |
| Median Household Income (2012) : | $52,794 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $60,179 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $98,600 (Iowa : $123,000, USA : $181,400) |