| County : | Logan County |
| State : | Illinois (IL) |
| Land Area : | 618.06 sq mi |
| Water Area : | 0.87 sq mi |
| Latitude : | 40.1290697 |
| Longitude : | -89.3653078 |
| Population (2010): | 30,305 |
| Population Estimate (2012) : | 30,278 |
| Population Density : | 49.03/sq mi |
| Housing Units (2012) : | 12,107 |
| Median Household Income (2012) : | $46,647 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $63,338 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $97,000 (Illinois : $190,800, USA : $181,400) |
Logan County Cities / Towns
| Atlanta City (1,692) | Beason (189) | Broadwell Village (145) |
| Chestnut (246) | Cornland (93) | Elkhart Village (405) |
| Emden Village (485) | Hartsburg Village (314) | Latham Village (380) |
| Lincoln City (14,504) | Middletown Village (324) | Mount Pulaski City (1,566) |
| New Holland Village (269) | San Jose Village (642) |
Logan County Zip Codes
| 61721 (613) | 61723 (2,321) | 61749 (556) |
| 61751 (124) | 61754 (1,261) | 62512 (500) |
| 62518 (457) | 62519 (94) | 62541 (57) |
| 62543 (540) | 62548 (2,258) | 62613 (3,872) |
| 62634 (821) | 62635 (738) | 62643 (526) |
| 62656 (20,405) | 62666 (616) | 62671 (572) |
| 62682 (907) | 62693 (1,638) |