Beardstown, IL -- U.S. city in Illinois Population (2000): 5766 Housing Units (2000): 2339 Land area (2000): 3.407526 sq. miles (8.825452 sq. km) Water area (2000): 0.055421 sq. miles (0.143540 sq. km) Total area (2000): 3.462947 sq. miles (8.968992 sq. km) FIPS code: 04351 Located within: Illinois (IL), FIPS 17 Location: 40.012189 N, 90.428711 W ZIP Codes (1990): 62618 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Beardstown, IL Beardstown