Ferguson, MO -- U.S. city in Missouri Population (2000): 22406 Housing Units (2000): 9191 Land area (2000): 6.188508 sq. miles (16.028161 sq. km) Water area (2000): 0.010115 sq. miles (0.026197 sq. km) Total area (2000): 6.198623 sq. miles (16.054358 sq. km) FIPS code: 23986 Located within: Missouri (MO), FIPS 29 Location: 38.745650 N, 90.296556 W ZIP Codes (1990): 63135 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ferguson, MO Ferguson