Post falls is located in Kootenai county Idaho with a geographic area of 15.2 square miles. The total population in Post falls is 34,971 with 48.0% male and 52.0% female. Children under age 5 represent 8.6% of the population, under age 18 equal 30.3% of the population and over age 65 is 12.1% of the population. The median household income is $62,033, per capita income is $24,969. There are a total of 12,481 housing units with 70.9% owner occupied. Education includes 25.4% of residents that are high school graduates and 22.4% with a bachelor's degree or higher. The average temperature in Post falls in the summer is 67 degrees, and in the winter 24 degrees.