Winchester is located in Clark county Kentucky with a geographic area of 9.1 square miles. The total population in Winchester is 18,520 with 45.9% male and 54.1% female. Children under age 5 represent 6.7% of the population, under age 18 equal 22.6% of the population and over age 65 is 17.5% of the population. The median household income is $43,415, per capita income is $26,732. There are a total of 7,857 housing units with 56.5% owner occupied. Education includes 30.6% of residents that are high school graduates and 20.5% with a bachelor's degree or higher. The average temperature in Winchester in the summer is 74 degrees, and in the winter 36 degrees.
