Riverton is located in Sangamon county Illinois with a geographic area of 3.1 square miles. The total population in Riverton is 3,464 with 40.3% male and 59.7% female. Children under age 5 represent 10.0% of the population, under age 18 equal 23.2% of the population and over age 65 is 21.9% of the population. The median household income is $34,488, per capita income is $25,678. There are a total of 1,684 housing units with 57.7% owner occupied. Education includes 46.8% of residents that are high school graduates and 10.0% with a bachelor's degree or higher. The average temperature in Riverton in the summer is 74 degrees, and in the winter 27 degrees.