Dow City, IA -- U.S. city in Iowa Population (2000): 503 Housing Units (2000): 248 Land area (2000): 0.318688 sq. miles (0.825397 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.318688 sq. miles (0.825397 sq. km) FIPS code: 22215 Located within: Iowa (IA), FIPS 19 Location: 41.928195 N, 95.494475 W ZIP Codes (1990): 51528 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dow City, IA Dow City