Spring branch is located in Comal county Texas with a geographic area of 2.0 square miles. The total population in Spring branch is 123 with 38.2% male and 61.8% female. Children under age 5 represent 3.3% of the population, under age 18 equal 3.3% of the population and over age 65 is 8.9% of the population. The median household income is $132,929, per capita income is $48,567. There are a total of 58 housing units with 39.7% owner occupied. Education includes 15.5% of residents that are high school graduates and 70.7% with a bachelor's degree or higher. The average temperature in Spring branch in the summer is 83 degrees, and in the winter 49 degrees.