Nicholasville is the 11th largest city in state of Kentucky and the county seat of Jessamine County, Kentucky, United States. The population was 19,680 at the 2000 census. It serves as both a residential area for commuters to Lexington, and as an employment and shopping center for central Kentucky.
Nicholasville is located at 37°52′58″N 84°34′36″W / 37.882670°N 84.576585°W / 37.882670; -84.576585 (37.882670, -84.576585).
According to the United States Census Bureau, the city has a total area of 8.5 square miles (22 km2), of which 8.5 square miles (22 km2) is land and 0.0 square miles (0.1 km²), or 0.35%, is water.