Tecumseh is located in Pottawatomie county Oklahoma with a geographic area of 15.0 square miles. The total population in Tecumseh is 6,721 with 49.3% male and 50.7% female. Children under age 5 represent 6.0% of the population, under age 18 equal 28.0% of the population and over age 65 is 17.5% of the population. The median household income is $47,500, per capita income is $22,399. There are a total of 2,432 housing units with 67.6% owner occupied. Education includes 36.0% of residents that are high school graduates and 13.9% with a bachelor's degree or higher. The average temperature in Tecumseh in the summer is 80 degrees, and in the winter 42 degrees.