| County : | Hardin County |
| State : | Illinois (IL) |
| Land Area : | 177.53 sq mi |
| Water Area : | 4.05 sq mi |
| Latitude : | 37.5178517 |
| Longitude : | -88.2661478 |
| Population (2010): | 4,320 |
| Population Estimate (2012) : | 4,315 |
| Population Density : | 24.33/sq mi |
| Housing Units (2012) : | 2,488 |
| Median Household Income (2012) : | $35,632 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $44,349 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $72,400 (Illinois : $190,800, USA : $181,400) |
Hardin County Cities / Towns
| Cave-in-rock Village (318) | Elizabethtown Village (299) | Rosiclare City (1,160) |
Hardin County Zip Codes
| 62919 (1,003) | 62931 (1,571) | 62938 (3,033) |
| 62947 (539) | 62982 (1,328) |