Altgeld Gardens Homes is a Chicago Housing Authority (CHA) public housing project located on the far south side of Chicago, Illinois, United States. It sits on the borderline of Chicago and Riverdale, Illinois. The residents are 97% African-American according to the 2000 US Census. Built between 1944–1945 with 1,498 units, the development consists primarily of two-story row houses spread over 190 acres.