Custer city is located in Custer county Oklahoma with a geographic area of 0.6 square miles. The total population in Custer city is 383 with 49.9% male and 50.1% female. Children under age 5 represent 8.4% of the population, under age 18 equal 29.5% of the population and over age 65 is 14.1% of the population. The median household income is $46,705, per capita income is $18,919. There are a total of 139 housing units with 77.7% owner occupied. Education includes 28.8% of residents that are high school graduates and 10.8% with a bachelor's degree or higher. The average temperature in Custer city in the summer is 80 degrees, and in the winter 42 degrees.