Mesa is located in Maricopa county Arizona with a geographic area of 138.7 square miles. The total population in Mesa is 508,918 with 49.4% male and 50.6% 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 16.6% of the population. The median household income is $61,640, per capita income is $30,903. There are a total of 186,503 housing units with 62.4% owner occupied. Education includes 20.9% of residents that are high school graduates and 30.7% with a bachelor's degree or higher. The average temperature in Mesa in the summer is 88 degrees, and in the winter 49 degrees.
