Waller is located in Harris county Texas with a geographic area of 3.7 square miles. The total population in Waller is 3,276 with 47.9% male and 52.1% female. Children under age 5 represent 9.6% of the population, under age 18 equal 24.4% of the population and over age 65 is 11.7% of the population. The median household income is $36,898, per capita income is $19,511. There are a total of 1,024 housing units with 39.6% owner occupied. Education includes 29.4% of residents that are high school graduates and 16.6% with a bachelor's degree or higher. The average temperature in Waller in the summer is 83 degrees, and in the winter 49 degrees.