Altgeld Gardens Homes is a Chicago Housing Authority (CHA) public housing project on the far south side of Chicago, Illinois, United States, on the border of Chicago and Riverdale, Illinois. The residents are 97% African-American according to the 2000 United States Census. Built between 1944 and 1945 with 1,498 units, the development consists primarily of two-story row houses spread over 190 acres (0.77 km2).