| City : | Dallas City |
| County : | Hancock County, Harrison County, Henderson County, Robertson County, Saguache County |
| State : | Illinois (IL) |
| | |
| Land Area : | 2.37 sq mi |
| Water Area : | 0.90 sq mi |
| Latitude : | 40.6353008 |
| Longitude : | -91.1642816 |
| | |
| Population (2010): | 945 |
| Population Estimate (2012) : | 1,160 |
| Population Density : | 398.04/sq mi |
| Housing Units (2012) : | 492 |
| Median Household Income (2012) : | $37,596 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $59,667 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $72,600 (Illinois : $190,800, USA : $181,400) |