Ash Grove, MO -- U.S. city in Missouri Population (2000): 1430 Housing Units (2000): 626 Land area (2000): 1.187608 sq. miles (3.075890 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.187608 sq. miles (3.075890 sq. km) FIPS code: 02188 Located within: Missouri (MO), FIPS 29 Location: 37.315629 N, 93.583829 W ZIP Codes (1990): 65604 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ash Grove, MO Ash Grove