Forest Park. 1 City (1990 pop. 16,925), Clayton co., NW Ga., a suburb of Atlanta; inc. 1908. It is a major warehouse and distribution center adjacent to Hartsfield-Jackson Atlanta International Airport and has diverse manufacturing. An army depot and a large state farmers' market are also there. 2 Town (1990 pop. 14,918), Cook co., NE Ill., a suburb of Chicago, on the Des Plaines River; inc. 1884 as Harlem, name changed 1907. Its manufactures include bronze products, burial vaults, and cranes.