Founded in 1798, Jessamine County is one of 120 counties in the state of Kentucky. Historically, Jessamine County was formed from Fayette County. The city of Nicholasville is the county seat. With FIPS code of 113, Jessamine County has a population of 53,626 and area of 173 square miles (448 km2).
List of all cities in Jessamine County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Keene, KY | 40339 | 859 |
| Nicholasville, KY | 40340 | 859 |
| Nicholasville, KY | 40356 | 859 |
| Versailles, KY | 40390 | 859 |
| Wilmore, KY | 40390 | 859 |