What is "winthrop harbor"

Population (2000): 6670
Housing Units (2000): 2435
Land area (2000): 4.308772 sq. miles (11.159668 sq. km)
Water area (2000): 0.069199 sq. miles (0.179225 sq. km)
Total area (2000): 4.377971 sq. miles (11.338893 sq. km)
FIPS code: 82686
Located within: Illinois (IL), FIPS 17
Location: 42.483420 N, 87.828872 W
ZIP Codes (1990): 60096
Note: some ZIP codes may be omitted esp. for suburbs.
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