| City : | Washington City |
| County : | Tazewell County |
| State : | Illinois (IL) |
| | |
| Land Area : | 8.17 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 40.7016878 |
| Longitude : | -89.4367585 |
| | |
| Population (2010): | 15,134 |
| Population Estimate (2012) : | 15,052 |
| Population Density : | 1,851.27/sq mi |
| Housing Units (2012) : | 6,189 |
| Median Household Income (2012) : | $67,248 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $79,479 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $166,100 (Illinois : $190,800, USA : $181,400) |