Riverdale is a village in Cook County, Illinois, United States. The population was 10,663 at the 2020 census. The village shares its name with the bordering Riverdale neighborhood in Chicago. Geography Riverdale is located at (41.640684, -87.630645). According to the 2010 census, Riverdale has a total area of , of which (or 95.33%) is land and (or 4.67%) is water. Surrounding areas Chicago Calumet Park Chicago Blue Island Dolton Dixmoor Dolton Harvey / Dolton Demographics As of the 2020 census there were 10,663 people, 4,472 households, and 2,726 families residing in the village. The population density was . There were 5,087 housing units at an average density of . The racial makeup of the village was 3.17% White, 92.20% African American, 0.33% Native American, 0.15% Asian, 0.12% Pacific Islander, 1.73% from other races, and 2.31% from two or more races. Hispanic or Latino of any race were 3.19% of the population. There were 4,472 households, out of which 68.31% had children under the age of 18 living with them, 20.91% were married couples living together, 34.44% had a female householder with no husband present, and 39.04% were non-families. 33.09% of all households were made up of individuals, and 8.74% had someone living alone who was 65 years of age or older. The average household size was 3.73 and the average family size was 2.79. The village's age distribution consisted of 31.4% under the age of 18, 10.1% from 18 to 24, 24.8% from 25 to 44, 24.4% from 45 to 64, and 9.2% who were 65 years of age or older. The median age was 32.2 years. For every 100 females, there were 89.8 males. For every 100 females age 18 and over, there were 77.8 males. The median income for a household in the village was $38,355, and the median income for a family was $42,632. Males had a median income of $36,231 versus $30,861 for females. The per capita income for the village was $18,987. About 27.2% of families and 28.0% of the population were below the poverty line, including 37.9% of those under age 18 and 17.0% of those age 65 or over. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race. Government Riverdale is divided between two congressional districts. Most of the city is