Dewitt is located in Arkansas county Arkansas with a geographic area of 3.0 square miles. The total population in Dewitt is 3,046 with 41.0% male and 59.0% female. Children under age 5 represent 7.1% of the population, under age 18 equal 23.3% of the population and over age 65 is 17.9% of the population. The median household income is $37,232, per capita income is $22,767. There are a total of 1,275 housing units with 56.0% owner occupied. Education includes 39.0% of residents that are high school graduates and 13.5% with a bachelor's degree or higher. The average temperature in Dewitt in the summer is 78 degrees, and in the winter 37 degrees.