Clay center is located in Clay county Kansas with a geographic area of 3.2 square miles. The total population in Clay center is 4,007 with 45.9% male and 54.1% female. Children under age 5 represent 6.7% of the population, under age 18 equal 23.6% of the population and over age 65 is 29.3% of the population. The median household income is $43,191, per capita income is $25,664. There are a total of 1,968 housing units with 65.1% owner occupied. Education includes 34.4% of residents that are high school graduates and 21.2% with a bachelor's degree or higher. The average temperature in Clay center in the summer is 79 degrees, and in the winter 32 degrees.
