St. louis is located in Pottawatomie county Oklahoma with a geographic area of 9.4 square miles. The total population in St. louis is 96 with 54.2% male and 45.8% female. Children under age 5 represent 2.1% of the population, under age 18 equal 14.6% of the population and over age 65 is 22.9% of the population. The median household income is $68,750, per capita income is $31,386. There are a total of 42 housing units with 85.7% owner occupied. Education includes 52.4% of residents that are high school graduates and 9.5% with a bachelor's degree or higher. The average temperature in St. louis in the summer is 80 degrees, and in the winter 42 degrees.