Milton, IA -- U.S. city in Iowa Population (2000): 550 Housing Units (2000): 243 Land area (2000): 2.504562 sq. miles (6.486785 sq. km) Water area (2000): 0.004461 sq. miles (0.011554 sq. km) Total area (2000): 2.509023 sq. miles (6.498339 sq. km) FIPS code: 52500 Located within: Iowa (IA), FIPS 19 Location: 40.673056 N, 92.161681 W ZIP Codes (1990): 52570 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Milton, IA Milton