Thornton is located in Cerro gordo county Iowa with a geographic area of 1.2 square miles. The total population in Thornton is 473 with 49.3% male and 50.7% female. Children under age 5 represent 5.9% of the population, under age 18 equal 19.7% of the population and over age 65 is 22.0% of the population. The median household income is $51,339, per capita income is $28,866. There are a total of 219 housing units with 79.5% owner occupied. Education includes 25.1% of residents that are high school graduates and 17.8% with a bachelor's degree or higher. The average temperature in Thornton in the summer is 70 degrees, and in the winter 23 degrees.
