ZIP Code 11951
About Mastic Beach
Mastic Beach is a hamlet and census-designated place, and former village in the southeastern part of the Town of Brookhaven in Suffolk County, on Long Island, in New York, United States. As of the 2020 census, Mastic Beach had a population of 14,199.
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Area Profile
US Census (ACS 5-year · Gazetteer)
15,830
population
$108,877
median household income
3,299
people / sq mi
$321,200
median home value
$2,313
median gross rent
38.4
median age
5,352
housing units
4,953
households
4.8
land area (sq mi)
Key places in 11951
- William Floyd Estate nature