Guymon is located in Texas county Oklahoma with a geographic area of 7.7 square miles. The total population in Guymon is 11,381 with 53.7% male and 46.3% female. Children under age 5 represent 10.5% of the population, under age 18 equal 32.6% of the population and over age 65 is 7.0% of the population. The median household income is $51,234, per capita income is $19,614. There are a total of 3,559 housing units with 61.8% owner occupied. Education includes 32.9% of residents that are high school graduates and 24.4% with a bachelor's degree or higher. The average temperature in Guymon in the summer is 77 degrees, and in the winter 42 degrees.