Amsterdam, NY -- U.S. city in New York Population (2000): 18355 Housing Units (2000): 9277 Land area (2000): 5.946829 sq. miles (15.402215 sq. km) Water area (2000): 0.338529 sq. miles (0.876786 sq. km) Total area (2000): 6.285358 sq. miles (16.279001 sq. km) FIPS code: 02066 Located within: New York (NY), FIPS 36 Location: 42.943350 N, 74.190310 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Amsterdam, NY Amsterdam