Round top is located in Fayette county Texas with a geographic area of 1.0 square miles. The total population in Round top is 81 with 44.4% male and 55.6% female. Children under age 5 represent 0.0% of the population, under age 18 equal 6.2% of the population and over age 65 is 40.7% of the population. The median household income is $123,750, per capita income is $215,979. There are a total of 44 housing units with 97.7% owner occupied. Education includes 9.1% of residents that are high school graduates and 61.4% with a bachelor's degree or higher. The average temperature in Round top in the summer is 83 degrees, and in the winter 49 degrees.