Rockwood, IL -- U.S. village in Illinois Population (2000): 41 Housing Units (2000): 13 Land area (2000): 0.211479 sq. miles (0.547729 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.211479 sq. miles (0.547729 sq. km) FIPS code: 65221 Located within: Illinois (IL), FIPS 17 Location: 37.839069 N, 89.696740 W ZIP Codes (1990): 62280 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Rockwood, IL Rockwood