Hammon is located in Roger mills county Oklahoma with a geographic area of 0.7 square miles. The total population in Hammon is 499 with 46.7% male and 53.3% female. Children under age 5 represent 9.6% of the population, under age 18 equal 28.9% of the population and over age 65 is 19.4% of the population. The median household income is $55,855, per capita income is $17,704. There are a total of 127 housing units with 84.3% owner occupied. Education includes 60.6% of residents that are high school graduates and 3.9% with a bachelor's degree or higher. The average temperature in Hammon in the summer is 80 degrees, and in the winter 42 degrees.