Caldwell is located in Burleson county Texas with a geographic area of 3.9 square miles. The total population in Caldwell is 4,354 with 54.2% male and 45.8% female. Children under age 5 represent 5.9% of the population, under age 18 equal 24.5% of the population and over age 65 is 14.8% of the population. The median household income is $50,119, per capita income is $27,955. There are a total of 1,694 housing units with 56.6% owner occupied. Education includes 36.0% of residents that are high school graduates and 23.4% with a bachelor's degree or higher. The average temperature in Caldwell in the summer is 83 degrees, and in the winter 49 degrees.