Mount Sinai, New York | |
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Hamlet and census-designated place | |
The c.1807 Mount Sinai Congregational Church
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U.S. Census map |
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Location within the state of New York | |
Coordinates: 40°56′19″N 73°1′7″W / 40.93861°N 73.01861°WCoordinates: 40°56′19″N 73°1′7″W / 40.93861°N 73.01861°W | |
Country | United States |
State | New York |
County | Suffolk |
Area | |
• Total | 6.4 sq mi (16.6 km2) |
• Land | 6.0 sq mi (15.5 km2) |
• Water | 0.4 sq mi (1.1 km2) |
Elevation | 33 ft (10 m) |
Population (2010) | |
• Total | 12,118 |
• Density | 1,900/sq mi (730/km2) |
Time zone | Eastern (EST) (UTC-5) |
• Summer (DST) | EDT (UTC-4) |
ZIP code | 11766 |
Area code(s) | 631 |
FIPS code | 36-49066 |
GNIS feature ID | 0957909 |
Mount Sinai is a hamlet and census-designated place (CDP) located within the Town of Brookhaven in Suffolk County, New York, United States. The population was 12,118 at the 2010 census. The hamlet is located on the North Shore of Long Island, and is served by the Mount Sinai School District and the Mount Sinai Fire Department, founded on October 25, 1930. The Mount Sinai Fire District covers approximately 5.5 square miles including the Mount Sinai Harbor and parts of the Long Island Sound. Mount Sinai's ZIP code is 11766.
Mount Sinai was first settled in the 1660s and was known by the name of Old Mans until a name change in the 1840s. Initially an agricultural hamlet, it transitioned into a popular resort town in the late-19th century and developed into a suburb of New York City in the mid-20th century. While primarily a residential community, the hamlet contains Mount Sinai Harbor and its popular public beach, Cedar Beach.
The area now known as Mount Sinai was originally called Nonowatuck, or "stream that dries up", by the Seatocot family of Native Americans who lived here. The first European settlers were Colonial settlers living in what is now Setauket, who obtained a deed from these local Native Americans in 1664.
The origin of the town's initial European name, "Old Mans", is not known. The most prominent telling concerns Major John Gotherson, an elderly Englishman who was supposedly swindled into incorrectly believing he'd bought land in the New World by Captain John Scott, an important leader in Long Island's early history. After Gotherson sent representatives who were quickly turned away, local residents started to jokingly refer to the land as "the Old Mans".