Located in Fairfield County, Greenwich Harbor is the most southern and most western community in the State of Connecticut. It is a short three nautical miles from Port Chester Harbor, both of them in Captain Harbor off Long Island Sound. Greenwich Harbor is just 50 kilometers (31 miles) from the busy Port of New York. The US Census reported a population of just over 61 thousand people in Greenwich Harbor.
In addition to its port facilities, Greenwich Harbor is home to the financial services industry, including many hedge funds. Money magazine named Greenwich Harbor as the 12th best place to live (out of 100) in the United States in 2005, and ranked it first in its "Biggest Earner" category.
Greenwich Harbor is one of the United State's oldest communities. Elizabeth Fones Winthrop, daughter-in-law of the Governor of the Massachusetts Bay Colony, John Winthrop, was one of the founders of Greenwich Harbor. Settled in 1640, it was known for some time as "Elizabeth's Neck." The Connecticut General Assembly declared Greenwich Harbor a township in 1665.
Greenwich Harbor was refuge to General Israel Putnam in 1779 when he escaped from the British. While the Red Coats pillaged Greenwich Harbor, Putnam had time to warn Stamford of the advancing British army.
During the last two decades, Greenwich Harbor has been a magnet for New Yorkers seeking Powerball lottery tickets whenever the prize exceeds $100 million.