Ridgeway, MO -- U.S. city in Missouri Population (2000): 530 Housing Units (2000): 261 Land area (2000): 1.140910 sq. miles (2.954944 sq. km) Water area (2000): 0.020666 sq. miles (0.053525 sq. km) Total area (2000): 1.161576 sq. miles (3.008469 sq. km) FIPS code: 61904 Located within: Missouri (MO), FIPS 29 Location: 40.378734 N, 93.937950 W ZIP Codes (1990): 64481 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ridgeway, MO Ridgeway