Greenlawn
Census-designated place in Suffolk County, New York

Greenlawn is an unincorporated community (census-designated place) in Suffolk County, New York, with 13,661 residents (2020 Census). It sits at 226 ft (69 m) above sea level. The nearest town is Elwood, 1.8 miles SE.
- 13,661residents (2020 Census)
- 226 ftelevation · 69 m
- 3.8 sq miland area · 9.9 km²
- 3,571 / sq mipopulation density
- 11740ZIP code
About Greenlawn
Greenlawn is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States. Located on Long Island in the Town of Huntington, Greenlawn had a population of 13,661 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Greenlawn
- Median household income
- $164,427
- Median home value
- $630,800
- Median age
- 37.8
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Map of Greenlawn
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Open in Google Maps ›Greenlawn, NY population
Greenlawn had 13,661 residents in the 2020 Census.
| 2020 Census | 13,661 |
|---|---|
| Density | 3,571 per sq mi (1,379 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Greenlawn at a glance
| State | New York (NY) |
|---|---|
| County | Suffolk County |
| Type | Census-designated place |
| Population | 13,661 (2020) |
| Land area | 3.83 sq mi (9.9 km²) |
| Water area | 0.00 sq mi (0.01 km²) |
| Elevation | 226 ft (69 m) |
| Coordinates | 40.8635° N, 73.3658° W |
| ZIP code | 11740 |
| Census code (GEOID) | 3630543 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Greenlawn
- Elwood1.8 mi SE
- Huntington2.2 mi W
- Huntington Station2.4 mi SW
- East Northport2.5 mi NE
- Centerport2.7 mi N
- Halesite2.9 mi NW
- Northport3.0 mi N
- South Huntington3.2 mi SW
- Huntington Bay3.4 mi NW
- Dix Hills4.4 mi S
- Commack4.5 mi E
- West Hills4.7 mi SW
Straight-line distance between town centers.
Frequently asked questions about Greenlawn
What county is Greenlawn in?
Greenlawn is in Suffolk County, New York.
What is the population of Greenlawn, NY?
13,661 people lived in Greenlawn at the 2020 Census.
What is the ZIP code of Greenlawn, NY?
The ZIP code of Greenlawn is 11740.
What is the elevation of Greenlawn?
226 feet (69 m) above sea level.
What towns are near Greenlawn?
Elwood (1.8 mi), Huntington (2.2 mi), Huntington Station (2.4 mi), East Northport (2.5 mi), Centerport (2.7 mi).
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