| City : | Williamstown City |
| County : | Grant County |
| State : | Kentucky (KY) |
| Land Area : | 16.43 sq mi |
| Water Area : | 0.53 sq mi |
| Latitude : | 38.6431464 |
| Longitude : | -84.5683915 |
| Population (2010): | 3,925 |
| Population Estimate (2012) : | 3,996 |
| Population Density : | 238.88/sq mi |
| Housing Units (2012) : | 1,487 |
| Median Household Income (2012) : | $44,476 (Kentucky : $42,610, USA : $53,046) |
| Median Family Income (2012) : | $52,179 (Kentucky : $53,833, USA : $64,585) |
| Median House Price (2012) : | $128,200 (Kentucky : $120,000, USA : $181,400) |