Gresham is located in Multnomah county Oregon with a geographic area of 23.5 square miles. The total population in Gresham is 110,456 with 49.6% male and 50.4% female. Children under age 5 represent 6.6% of the population, under age 18 equal 23.9% of the population and over age 65 is 14.1% of the population. The median household income is $58,250, per capita income is $27,811. There are a total of 39,932 housing units with 55.0% owner occupied. Education includes 22.5% of residents that are high school graduates and 25.7% with a bachelor's degree or higher. The average temperature in Gresham in the summer is 67 degrees, and in the winter 35 degrees.