Pierce City, MO -- U.S. city in Missouri Population (2000): 1385 Housing Units (2000): 646 Land area (2000): 1.222043 sq. miles (3.165078 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.222043 sq. miles (3.165078 sq. km) FIPS code: 57494 Located within: Missouri (MO), FIPS 29 Location: 36.946996 N, 94.002430 W ZIP Codes (1990): 65723 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Pierce City, MO Pierce City