Montpelier, ID -- U.S. city in Idaho Population (2000): 2785 Housing Units (2000): 1171 Land area (2000): 1.841536 sq. miles (4.769556 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.841536 sq. miles (4.769556 sq. km) FIPS code: 53920 Located within: Idaho (ID), FIPS 16 Location: 42.320416 N, 111.303703 W ZIP Codes (1990): 83254 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Montpelier, ID Montpelier