12920 -- U.S. ZIP code Municipality (1990): CHATEAUGAY, New York All ZIPs for this municipality (1990): 12920 Population (2000): 2537 Housing Units (2000): 1280 Land area (2000): 62.327117 sq. miles (161.426486 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 62.327117 sq. miles (161.426486 sq. km) Located within: New York (NY) Location: 44.901543 N, 74.060545 W