Yorktown, IA -- U.S. city in Iowa Population (2000): 82 Housing Units (2000): 41 Land area (2000): 0.275864 sq. miles (0.714485 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.275864 sq. miles (0.714485 sq. km) FIPS code: 87420 Located within: Iowa (IA), FIPS 19 Location: 40.733779 N, 95.154798 W ZIP Codes (1990): 51656 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Yorktown, IA Yorktown