Nichols, IA -- U.S. city in Iowa Population (2000): 374 Housing Units (2000): 142 Land area (2000): 0.233047 sq. miles (0.603590 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.233047 sq. miles (0.603590 sq. km) FIPS code: 56685 Located within: Iowa (IA), FIPS 19 Location: 41.479113 N, 91.308291 W ZIP Codes (1990): 52766 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Nichols, IA Nichols