| County : | Hancock County |
| State : | Illinois (IL) |
| Land Area : | 793.72 sq mi |
| Water Area : | 20.67 sq mi |
| Latitude : | 40.4057924 |
| Longitude : | -91.1679875 |
| Population (2010): | 19,104 |
| Population Estimate (2012) : | 19,063 |
| Population Density : | 24.07/sq mi |
| Housing Units (2012) : | 9,274 |
| Median Household Income (2012) : | $42,494 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $54,110 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $80,100 (Illinois : $190,800, USA : $181,400) |
Hancock County Cities / Towns
| Augusta Village (587) | Basco Village (98) | Bentley Town (35) |
| Bowen Village (494) | Carthage City (2,605) | Dallas City (945) |
| Elvaston Village (165) | Ferris Village (156) | Hamilton City (2,951) |
| La Harpe City (1,235) | Nauvoo City (1,149) | Plymouth Village (505) |
| Pontoosuc Village (146) | Warsaw City (1,607) | West Point Village (178) |
Hancock County Zip Codes
| 61420 (1,067) | 61450 (1,742) | 62311 (860) |
| 62313 (389) | 62316 (660) | 62321 (4,091) |
| 62326 (2,478) | 62330 (1,769) | 62334 (172) |
| 62336 (47) | 62341 (3,610) | 62349 (636) |
| 62351 (1,856) | 62354 (1,684) | 62358 (752) |
| 62367 (1,345) | 62373 (300) | 62374 (298) |
| 62379 (2,049) | 62380 (401) |