| City : | Wilmington City |
| County : | Clinton County, Union County |
| State : | Ohio (OH) |
| | |
| Land Area : | 10.89 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 39.4391177 |
| Longitude : | -83.8179526 |
| | |
| Population (2010): | 12,520 |
| Population Estimate (2012) : | 12,545 |
| Population Density : | 1,149.81/sq mi |
| Housing Units (2012) : | 5,827 |
| Median Household Income (2012) : | $31,466 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $40,452 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $106,400 (Ohio : $133,700, USA : $181,400) |