Houston is located in Chickasaw county Mississippi with a geographic area of 7.4 square miles. The total population in Houston is 3,426 with 36.7% male and 63.3% female. Children under age 5 represent 2.6% of the population, under age 18 equal 17.8% of the population and over age 65 is 28.9% of the population. The median household income is $29,530, per capita income is $18,045. There are a total of 1,561 housing units with 60.5% owner occupied. Education includes 37.9% of residents that are high school graduates and 9.6% with a bachelor's degree or higher. The average temperature in Houston in the summer is 78 degrees, and in the winter 44 degrees.