| City : | St. Lucas City |
| County : | Fayette County, Hamilton County, Shelby County |
| State : | Iowa (IA) |
| | |
| Land Area : | 0.27 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.0666937 |
| Longitude : | -91.9341797 |
| | |
| Population (2010): | 143 |
| Population Estimate (2012) : | 109 |
| Population Density : | 537.42/sq mi |
| Housing Units (2012) : | 85 |
| Median Household Income (2012) : | $46,500 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $51,250 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $66,400 (Iowa : $123,000, USA : $181,400) |