Mettawa, IL -- U.S. village in Illinois Population (2000): 367 Housing Units (2000): 141 Land area (2000): 5.466925 sq. miles (14.159270 sq. km) Water area (2000): 0.025747 sq. miles (0.066684 sq. km) Total area (2000): 5.492672 sq. miles (14.225954 sq. km) FIPS code: 48671 Located within: Illinois (IL), FIPS 17 Location: 42.243972 N, 87.917909 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mettawa, IL Mettawa