Lancaster is located in Garrard county Kentucky with a geographic area of 2.3 square miles. The total population in Lancaster is 3,837 with 43.1% male and 56.9% female. Children under age 5 represent 7.2% of the population, under age 18 equal 25.1% of the population and over age 65 is 18.7% of the population. The median household income is $40,151, per capita income is $24,153. There are a total of 1,475 housing units with 56.9% owner occupied. Education includes 36.3% of residents that are high school graduates and 9.9% with a bachelor's degree or higher. The average temperature in Lancaster in the summer is 76 degrees, and in the winter 36 degrees.