Amboy, IL -- U.S. city in Illinois Population (2000): 2561 Housing Units (2000): 1048 Land area (2000): 1.258197 sq. miles (3.258716 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.258197 sq. miles (3.258716 sq. km) FIPS code: 01270 Located within: Illinois (IL), FIPS 17 Location: 41.714411 N, 89.332671 W ZIP Codes (1990): 61310 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Amboy, IL Amboy