| County : | Adams County |
| State : | Illinois (IL) |
| Land Area : | 855.20 sq mi |
| Water Area : | 16.14 sq mi |
| Latitude : | 39.9860525 |
| Longitude : | -91.1949607 |
| Population (2010): | 67,103 |
| Population Estimate (2012) : | 67,098 |
| Population Density : | 78.46/sq mi |
| Housing Units (2012) : | 29,842 |
| Median Household Income (2012) : | $45,691 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $58,565 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $102,500 (Illinois : $190,800, USA : $181,400) |
Adams County Cities / Towns
| Camp Point Village (1,132) | Clayton Village (709) | Coatsburg Village (147) |
| Columbus Village (99) | Golden Village (644) | La Prairie Village (47) |
| Liberty Village (516) | Lima Village (163) | Loraine Village (313) |
| Mendon Village (953) | Payson Village (1,026) | Plainville Village (264) |
| Quincy City (40,633) | Ursa Village (626) |
Adams County Zip Codes
| 62301 (33,758) | 62305 (18,052) | 62311 (860) |
| 62312 (2,162) | 62314 (611) | 62316 (660) |
| 62320 (2,185) | 62324 (1,361) | 62325 (403) |
| 62338 (1,473) | 62339 (874) | 62343 (712) |
| 62346 (178) | 62347 (2,282) | 62348 (170) |
| 62349 (636) | 62351 (1,856) | 62359 (166) |
| 62360 (1,656) | 62365 (647) | 62376 (1,198) |
| 62379 (2,049) |