Thornton is located in Adams county Colorado with a geographic area of 35.9 square miles. The total population in Thornton is 144,186 with 50.0% male and 50.0% female. Children under age 5 represent 7.3% of the population, under age 18 equal 27.8% of the population and over age 65 is 9.3% of the population. The median household income is $80,732, per capita income is $32,589. There are a total of 46,868 housing units with 72.6% owner occupied. Education includes 24.1% of residents that are high school graduates and 31.5% with a bachelor's degree or higher. The average temperature in Thornton in the summer is 68 degrees, and in the winter 29 degrees.
