06759 -- U.S. ZIP code Municipality (1990): LITCHFIELD, Connecticut All ZIPs for this municipality (1990): 06759 Population (2000): 5750 Housing Units (2000): 2556 Land area (2000): 52.708230 sq. miles (136.513684 sq. km) Water area (2000): 0.396278 sq. miles (1.026354 sq. km) Total area (2000): 53.104508 sq. miles (137.540038 sq. km) Located within: Connecticut (CT) Location: 41.754255 N, 73.212688 W