Berwyn, IL -- U.S. city in Illinois Population (2000): 54016 Housing Units (2000): 20691 Land area (2000): 3.892717 sq. miles (10.082090 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.892717 sq. miles (10.082090 sq. km) FIPS code: 05573 Located within: Illinois (IL), FIPS 17 Location: 41.842531 N, 87.789905 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Berwyn, IL Berwyn