| County : | Henry County |
| State : | Illinois (IL) |
| Land Area : | 822.98 sq mi |
| Water Area : | 2.66 sq mi |
| Latitude : | 41.3500209 |
| Longitude : | -90.1308378 |
| Population (2010): | 50,486 |
| Population Estimate (2012) : | 50,378 |
| Population Density : | 61.35/sq mi |
| Housing Units (2012) : | 22,161 |
| Median Household Income (2012) : | $52,284 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $65,671 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $108,800 (Illinois : $190,800, USA : $181,400) |
Henry County Cities / Towns
| Alpha Village (671) | Andover Village (578) | Annawan Town (878) |
| Atkinson Town (972) | Bishop Hill Village (128) | Cambridge Village (2,160) |
| Cleveland Village (188) | Coal Valley Village (3,743) | Colona City (5,099) |
| Galva City (2,589) | Geneseo City (6,586) | Hooppole Village (204) |
| Kewanee City (12,916) | Orion Village (1,861) | Woodhull Village (811) |
Henry County Zip Codes
| 61234 (1,258) | 61235 (1,391) | 61238 (3,247) |
| 61240 (5,870) | 61241 (7,124) | 61250 (2,737) |
| 61254 (11,414) | 61258 (204) | 61262 (1,188) |
| 61273 (3,316) | 61274 (351) | 61277 (3,355) |
| 61344 (374) | 61361 (1,409) | 61413 (1,075) |
| 61414 (854) | 61419 (128) | 61434 (3,312) |
| 61443 (14,214) | 61465 (1,213) | 61468 (104) |
| 61490 (1,091) |