De Pue, IL -- U.S. village in Illinois Population (2000): 1842 Housing Units (2000): 721 Land area (2000): 2.711170 sq. miles (7.021897 sq. km) Water area (2000): 0.259475 sq. miles (0.672038 sq. km) Total area (2000): 2.970645 sq. miles (7.693935 sq. km) FIPS code: 19499 Located within: Illinois (IL), FIPS 17 Location: 41.326112 N, 89.301184 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: De Pue, IL De Pue