Liberal is located in Seward county Kansas with a geographic area of 11.4 square miles. The total population in Liberal is 19,025 with 52.2% male and 47.8% female. Children under age 5 represent 9.3% of the population, under age 18 equal 30.6% of the population and over age 65 is 8.9% of the population. The median household income is $48,434, per capita income is $21,440. There are a total of 6,426 housing units with 59.6% owner occupied. Education includes 30.8% of residents that are high school graduates and 11.4% with a bachelor's degree or higher. The average temperature in Liberal in the summer is 77 degrees, and in the winter 32 degrees.