Marathon is located in Brewster county Texas with a geographic area of 5.3 square miles. The total population in Marathon is 365 with 38.9% male and 61.1% female. Children under age 5 represent 4.4% of the population, under age 18 equal 11.5% of the population and over age 65 is 33.2% of the population. The median household income is $39,877, per capita income is $28,467. There are a total of 217 housing units with 60.4% owner occupied. Education includes 6.9% of residents that are high school graduates and 35.5% with a bachelor's degree or higher. The average temperature in Marathon in the summer is 83 degrees, and in the winter 49 degrees.
