| County : | Hardin County |
| State : | Ohio (OH) |
| Land Area : | 470.40 sq mi |
| Water Area : | 0.24 sq mi |
| Latitude : | 40.6604152 |
| Longitude : | -83.6640773 |
| Population (2010): | 32,058 |
| Population Estimate (2012) : | 31,986 |
| Population Density : | 68.15/sq mi |
| Housing Units (2012) : | 13,100 |
| Median Household Income (2012) : | $40,732 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $52,795 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $99,100 (Ohio : $133,700, USA : $181,400) |
Hardin County Cities / Towns
| Ada Village (5,952) | Alger Village (860) | Dola (140) |
| Dunkirk Village (875) | Forest Village (1,461) | Kenton City (8,262) |
| Mcguffey Village (501) | Mount Victory Village (627) | Patterson Village (139) |
| Ridgeway Village (338) |
Hardin County Zip Codes
| 43310 (3,104) | 43326 (13,611) | 43331 (4,485) |
| 43332 (2,323) | 43340 (1,721) | 43345 (920) |
| 43347 (1,530) | 45810 (8,460) | 45812 (1,943) |
| 45835 (490) | 45836 (1,479) | 45843 (3,701) |
| 45850 (3,653) | 45859 (495) | 45896 (2,089) |