Jennings is located in Jefferson davis county Louisiana with a geographic area of 10.4 square miles. The total population in Jennings is 9,874 with 50.6% male and 49.4% female. Children under age 5 represent 8.8% of the population, under age 18 equal 26.6% of the population and over age 65 is 19.9% of the population. The median household income is $28,360, per capita income is $24,464. There are a total of 4,167 housing units with 63.9% owner occupied. Education includes 42.0% of residents that are high school graduates and 16.3% with a bachelor's degree or higher. The average temperature in Jennings in the summer is 81 degrees, and in the winter 51 degrees.