Founded in 1820, Grant County is one of 120 counties in the state of Kentucky. Historically, Grant County was formed from Pendleton County. The city of Williamstown is the county seat. With FIPS code of 81, Grant County has a population of 25,244 and area of 260 square miles (673 km2).
List of all cities in Grant County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Blanchet, KY | 41010 | 859 |
| Bracht, KY | 41030 | 859 |
| Corinth, KY | 41010 | 859 |
| Crittenden, KY | 41030 | 859 |
| Dry Ridge, KY | 41035 | 859 |
| Flingsville, KY | 41030 | 859 |
| Jonesville, KY | 41052 | 859 |
| Mason, KY | 41054 | 859 |
| Owen, KY | 41010 | 859 |
| Sherman, KY | 41035 | 859 |
| Williamstown, KY | 41097 | 859 |