Kiefer is located in Creek county Oklahoma with a geographic area of 2.4 square miles. The total population in Kiefer is 2,510 with 50.5% male and 49.5% female. Children under age 5 represent 8.4% of the population, under age 18 equal 32.5% of the population and over age 65 is 6.1% of the population. The median household income is $66,250, per capita income is $24,270. There are a total of 780 housing units with 77.4% owner occupied. Education includes 32.1% of residents that are high school graduates and 20.4% with a bachelor's degree or higher. The average temperature in Kiefer in the summer is 80 degrees, and in the winter 42 degrees.