Riverdale is located in Cook county Illinois with a geographic area of 3.6 square miles. The total population in Riverdale is 12,530 with 47.3% male and 52.7% female. Children under age 5 represent 11.5% of the population, under age 18 equal 31.4% of the population and over age 65 is 9.2% of the population. The median household income is $38,355, per capita income is $18,987. There are a total of 4,472 housing units with 48.2% owner occupied. Education includes 26.8% of residents that are high school graduates and 19.9% with a bachelor's degree or higher. The average temperature in Riverdale in the summer is 74 degrees, and in the winter 27 degrees.
