Hermann, MO -- U.S. city in Missouri Population (2000): 2674 Housing Units (2000): 1285 Land area (2000): 2.302116 sq. miles (5.962452 sq. km) Water area (2000): 0.172236 sq. miles (0.446088 sq. km) Total area (2000): 2.474352 sq. miles (6.408540 sq. km) FIPS code: 31762 Located within: Missouri (MO), FIPS 29 Location: 38.699226 N, 91.439046 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hermann, MO Hermann