Nicholasville is located in Jessamine county Kentucky with a geographic area of 14.6 square miles. The total population in Nicholasville is 30,549 with 47.1% male and 52.9% female. Children under age 5 represent 7.3% of the population, under age 18 equal 25.6% of the population and over age 65 is 13.8% of the population. The median household income is $54,575, per capita income is $25,219. There are a total of 11,244 housing units with 59.8% owner occupied. Education includes 35.0% of residents that are high school graduates and 22.2% with a bachelor's degree or higher. The average temperature in Nicholasville in the summer is 76 degrees, and in the winter 36 degrees.