| City : | Assumption City |
| County : | Christian County |
| State : | Illinois (IL) |
| Land Area : | 0.88 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.5177959 |
| Longitude : | -89.0484680 |
| Population (2010): | 1,168 |
| Population Estimate (2012) : | 1,280 |
| Population Density : | 1,327.82/sq mi |
| Housing Units (2012) : | 582 |
| Median Household Income (2012) : | $39,453 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $50,521 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $66,000 (Illinois : $190,800, USA : $181,400) |
Assumption City Zip Codes
| 62510 (1,669) |