Melvin is located in Mcculloch county Texas with a geographic area of 0.5 square miles. The total population in Melvin is 247 with 52.6% male and 47.4% female. Children under age 5 represent 0.0% of the population, under age 18 equal 27.5% of the population and over age 65 is 25.9% of the population. The median household income is $31,071, per capita income is $15,394. There are a total of 80 housing units with 96.3% owner occupied. Education includes 26.3% of residents that are high school graduates and 2.5% with a bachelor's degree or higher. The average temperature in Melvin in the summer is 83 degrees, and in the winter 49 degrees.