West monroe is located in Ouachita county Louisiana with a geographic area of 8.0 square miles. The total population in West monroe is 12,431 with 44.7% male and 55.3% female. Children under age 5 represent 6.1% of the population, under age 18 equal 19.0% of the population and over age 65 is 15.9% of the population. The median household income is $35,528, per capita income is $25,927. There are a total of 5,564 housing units with 39.3% owner occupied. Education includes 31.5% of residents that are high school graduates and 18.8% with a bachelor's degree or higher. The average temperature in West monroe in the summer is 82 degrees, and in the winter 51 degrees.