Luling is located in Caldwell county Texas with a geographic area of 5.5 square miles. The total population in Luling is 5,850 with 51.7% male and 48.3% female. Children under age 5 represent 11.5% of the population, under age 18 equal 21.8% of the population and over age 65 is 21.0% of the population. The median household income is $54,245, per capita income is $22,431. There are a total of 2,070 housing units with 59.0% owner occupied. Education includes 34.9% of residents that are high school graduates and 16.2% with a bachelor's degree or higher. The average temperature in Luling in the summer is 83 degrees, and in the winter 49 degrees.