| City : | Onslow City |
| County : | Curry County, Jones County, Lee County, Skagit County, Waukesha County |
| State : | Iowa (IA) |
| | |
| Land Area : | 0.22 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.1073056 |
| Longitude : | -91.0152552 |
| | |
| Population (2010): | 197 |
| Population Estimate (2012) : | 207 |
| Population Density : | 877.08/sq mi |
| Housing Units (2012) : | 109 |
| Median Household Income (2012) : | $45,455 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $54,167 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $71,700 (Iowa : $123,000, USA : $181,400) |