Clinton is located in Custer county Oklahoma with a geographic area of 9.9 square miles. The total population in Clinton is 9,117 with 49.9% male and 50.1% female. Children under age 5 represent 7.1% of the population, under age 18 equal 27.5% of the population and over age 65 is 16.4% of the population. The median household income is $50,608, per capita income is $29,737. There are a total of 3,508 housing units with 75.8% owner occupied. Education includes 31.5% of residents that are high school graduates and 20.3% with a bachelor's degree or higher. The average temperature in Clinton in the summer is 81 degrees, and in the winter 42 degrees.