De valls bluff is located in Prairie county Arkansas with a geographic area of 1.1 square miles. The total population in De valls bluff is 602 with 48.3% male and 51.7% female. Children under age 5 represent 7.3% of the population, under age 18 equal 28.9% of the population and over age 65 is 30.9% of the population. The median household income is $22,163, per capita income is $16,068. There are a total of 291 housing units with 56.4% owner occupied. Education includes 48.5% of residents that are high school graduates and 9.6% with a bachelor's degree or higher. The average temperature in De valls bluff in the summer is 79 degrees, and in the winter 37 degrees.