Riverdale Real EstateRiverdale is located in Illinois. Riverdale, Illinois has a population of 13,025. Riverdale is less family-centric than the surrounding county with 19.14% of the households containing married families with children. The county average for households married with children is 30.49%. The median household income in Riverdale, Illinois is $31,933. The median household income for the surrounding county is $59,426 compared to the national median of $57,652. The median age of people living in Riverdale is 36.1 years. Riverdale WeatherThe average high temperature in July is 84.6 degrees, with an average low temperature in January of 20.9 degrees. The average rainfall is approximately 39.3 inches per year, with 27.8 inches of snow per year. Riverdale MapReal estate near RiverdaleNearby CitiesNearby Cities Homes for Sale |