Bertram is located in Burnet county Texas with a geographic area of 1.5 square miles. The total population in Bertram is 1,890 with 60.6% male and 39.4% female. Children under age 5 represent 7.8% of the population, under age 18 equal 20.2% of the population and over age 65 is 16.7% of the population. The median household income is $61,250, per capita income is $25,427. There are a total of 632 housing units with 76.4% owner occupied. Education includes 35.4% of residents that are high school graduates and 24.7% with a bachelor's degree or higher. The average temperature in Bertram in the summer is 83 degrees, and in the winter 49 degrees.