Walnut is located in Tippah county Mississippi with a geographic area of 5.4 square miles. The total population in Walnut is 1,253 with 47.5% male and 52.5% female. Children under age 5 represent 14.1% of the population, under age 18 equal 32.7% of the population and over age 65 is 9.7% of the population. The median household income is $38,406, per capita income is $15,235. There are a total of 383 housing units with 56.4% owner occupied. Education includes 45.7% of residents that are high school graduates and 10.4% with a bachelor's degree or higher. The average temperature in Walnut in the summer is 79 degrees, and in the winter 44 degrees.