Spruce Head is an unincorporated village in Knox County, Maine, United States. The community is located on the Penobscot Bay and Maine State Route 73 6.5 miles (10.5 km) south of Rockland. Spruce Head has a post office with ZIP code 04859, which opened on March 4, 1880.Spruce Head was the boyhood home of poet and Connecticut Governor Wilbert Snow, who was born on Whitehead Island and is buried in the Ocean View Cemetery at Spruce Head.