Mequon is located in Ozaukee county Wisconsin with a geographic area of 46.3 square miles. The total population in Mequon is 24,357 with 48.4% male and 51.6% female. Children under age 5 represent 5.8% of the population, under age 18 equal 22.5% of the population and over age 65 is 22.7% of the population. The median household income is $128,403, per capita income is $66,751. There are a total of 8,839 housing units with 85.0% owner occupied. Education includes 11.7% of residents that are high school graduates and 70.2% with a bachelor's degree or higher. The average temperature in Mequon in the summer is 67 degrees, and in the winter 17 degrees.