Pierson, IA -- U.S. city in Iowa Population (2000): 371 Housing Units (2000): 166 Land area (2000): 0.489888 sq. miles (1.268804 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.489888 sq. miles (1.268804 sq. km) FIPS code: 62760 Located within: Iowa (IA), FIPS 19 Location: 42.544627 N, 95.868617 W ZIP Codes (1990): 51048 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Pierson, IA Pierson