| City : | Gravity City |
| County : | Lea County, Roane County, Taylor County |
| State : | Iowa (IA) |
| Land Area : | 0.30 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.7601645 |
| Longitude : | -94.7435014 |
| Population (2010): | 188 |
| Population Estimate (2012) : | 147 |
| Population Density : | 629.94/sq mi |
| Housing Units (2012) : | 103 |
| Median Household Income (2012) : | $36,875 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $39,167 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $19,500 (Iowa : $123,000, USA : $181,400) |
Gravity City Zip Codes
| 50848 (378) |