Xenia, IL -- U.S. village in Illinois Population (2000): 407 Housing Units (2000): 206 Land area (2000): 0.518616 sq. miles (1.343209 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.518616 sq. miles (1.343209 sq. km) FIPS code: 83739 Located within: Illinois (IL), FIPS 17 Location: 38.637870 N, 88.635955 W ZIP Codes (1990): 62899 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Xenia, IL Xenia