Monroe is located in Walton county Georgia with a geographic area of 15.7 square miles. The total population in Monroe is 13,568 with 43.2% male and 56.8% female. Children under age 5 represent 10.1% of the population, under age 18 equal 30.9% of the population and over age 65 is 10.5% of the population. The median household income is $37,583, per capita income is $15,457. There are a total of 4,240 housing units with 36.8% owner occupied. Education includes 36.5% of residents that are high school graduates and 14.2% with a bachelor's degree or higher. The average temperature in Monroe in the summer is 77 degrees, and in the winter 42 degrees.