| City : | Columbus City |
| County : | Louisa County, Putnam County |
| State : | Iowa (IA) |
| Land Area : | 0.24 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.2592765 |
| Longitude : | -91.3746897 |
| Population (2010): | 391 |
| Population Estimate (2012) : | 279 |
| Population Density : | 1,637.18/sq mi |
| Housing Units (2012) : | 155 |
| Median Household Income (2012) : | $36,250 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $53,523 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $85,000 (Iowa : $123,000, USA : $181,400) |