Dumas is located in Tippah county Mississippi with a geographic area of 3.9 square miles. The total population in Dumas is 404 with 50.5% male and 49.5% female. Children under age 5 represent 4.7% of the population, under age 18 equal 21.5% of the population and over age 65 is 11.9% of the population. The median household income is $38,929, per capita income is $21,905. There are a total of 160 housing units with 81.9% owner occupied. Education includes 30.6% of residents that are high school graduates and 13.8% with a bachelor's degree or higher. The average temperature in Dumas in the summer is 79 degrees, and in the winter 44 degrees.