New York, United States · North America
19,714
Population
North America
Continent
New_York
Timezone
US
Country Code
Holtsville is a hamlet and census-designated place (CDP) in Suffolk County, on Long Island, in New York, United States. The population was 19,714 at the 2010 census. The hamlet is mainly in the Town of Brookhaven, while the southwestern portion is in the Town of Islip. An IRS Processing Center is located in Holtsville, along with NYPA's Richard M. Flynn Power Plant.
Coordinates
40.8154°, -73.0451°
Elevation
32m
Region/State
New York
District
Suffolk County
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Country
United States
Region
New York
Timezone
America/New_York
Population
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19,714
