Crest Hill, IL -- U.S. city in Illinois Population (2000): 13329 Housing Units (2000): 4808 Land area (2000): 7.161346 sq. miles (18.547800 sq. km) Water area (2000): 0.106031 sq. miles (0.274618 sq. km) Total area (2000): 7.267377 sq. miles (18.822418 sq. km) FIPS code: 17458 Located within: Illinois (IL), FIPS 17 Location: 41.564526 N, 88.108489 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Crest Hill, IL Crest Hill