Walnut ridge is located in Lawrence county Arkansas with a geographic area of 16.6 square miles. The total population in Walnut ridge is 5,104 with 49.1% male and 50.9% female. Children under age 5 represent 5.2% of the population, under age 18 equal 19.6% of the population and over age 65 is 19.7% of the population. The median household income is $48,266, per capita income is $23,042. There are a total of 1,993 housing units with 60.8% owner occupied. Education includes 29.1% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Walnut ridge in the summer is 78 degrees, and in the winter 37 degrees.