| County : | Knox County |
| State : | Ohio (OH) |
| Land Area : | 525.49 sq mi |
| Water Area : | 4.14 sq mi |
| Latitude : | 40.4036198 |
| Longitude : | -82.4223930 |
| Population (2010): | 60,921 |
| Population Estimate (2012) : | 60,791 |
| Population Density : | 115.93/sq mi |
| Housing Units (2012) : | 25,118 |
| Median Household Income (2012) : | $49,323 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $58,461 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $134,300 (Ohio : $133,700, USA : $181,400) |
Knox County Cities / Towns
| Apple Valley (5,058) | Bladensburg (191) | Centerburg Village (1,773) |
| Danville Village (1,044) | Fredericktown Village (2,493) | Gambier Village (2,391) |
| Gann Village (125) | Howard (242) | Martinsburg Village (237) |
| Mount Vernon City (16,990) | Utica Village (2,132) |
Knox County Zip Codes
| 43005 (174) | 43006 (822) | 43011 (7,491) |
| 43014 (3,632) | 43019 (8,700) | 43022 (4,161) |
| 43028 (7,537) | 43037 (535) | 43050 (29,050) |
| 43080 (5,498) | 43822 (4,626) | 43843 (1,123) |
| 44628 (1,067) | 44813 (8,051) | 44822 (3,240) |