Cotton valley is located in Webster county Louisiana with a geographic area of 2.6 square miles. The total population in Cotton valley is 962 with 41.6% male and 58.4% female. Children under age 5 represent 15.3% of the population, under age 18 equal 32.0% of the population and over age 65 is 11.6% of the population. The median household income is $18,894, per capita income is $15,277. There are a total of 431 housing units with 57.8% owner occupied. Education includes 26.5% of residents that are high school graduates and 5.3% with a bachelor's degree or higher. The average temperature in Cotton valley in the summer is 81 degrees, and in the winter 51 degrees.