Norwalk, OH -- U.S. city in Ohio Population (2000): 16238 Housing Units (2000): 6687 Land area (2000): 8.326058 sq. miles (21.564390 sq. km) Water area (2000): 0.247552 sq. miles (0.641158 sq. km) Total area (2000): 8.573610 sq. miles (22.205548 sq. km) FIPS code: 57302 Located within: Ohio (OH), FIPS 39 Location: 41.243024 N, 82.611371 W ZIP Codes (1990): 44857 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Norwalk, OH Norwalk