East Haven is a town in New Haven County, Connecticut, in the United States. As of the 2010 census, the town population was 29,257. Located 3 miles (5 km) east of New Haven, it is part of the Greater New Haven area. East Haven is 35 miles (56 km) from Hartford, 82 miles (132 km) from N.Y. City, 99 miles (159 km) from Providence, Rhode Island, and 140 miles (230 km) from Boston.

This area was long settled by indigenous peoples. Long before European encounter, Algonquian peoples occupied settlements along the coastline and rivers.

The area now known as East Haven was obtained by Puritan settlers Reverend John Davenport and Theophilus Eaton on November 29, 1638, as part of the purchase of New Haven from Sachem Momauguin of the local Quinnipiack tribe. Additional land, in what is now known as Foxon, was purchased from Chief Montowese on December 11, 1638.

In 1639 Thomas Gregson petitioned for the purchase of Solitary Cove, later called Morris Cove. This was granted on August 5, 1644, and was the last piece of land that made up the original town of East Haven. The original town boundaries were from the harbor and Quinnipiac River on the west to the Branford and North Branford town line on the east. The southern boundary is Long Island Sound, and the North Haven town line is the northern boundary.

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