Moscow, ID -- U.S. city in Idaho Population (2000): 21291 Housing Units (2000): 8029 Land area (2000): 6.152354 sq. miles (15.934523 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 6.152354 sq. miles (15.934523 sq. km) FIPS code: 54550 Located within: Idaho (ID), FIPS 16 Location: 46.731745 N, 116.997188 W ZIP Codes (1990): 83843 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Moscow, ID Moscow