Greenlawn, NY Profile: Facts, Map & Data


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Greenlawn, New York - Basic Facts

The Greenlawn Census Designated Place had a population of 13,978 as of July 1, 2017. Greenlawn ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Greenlawn is located at latitude 40.8641 and longitude -73.3634 in Suffolk County. The formal boundaries for the Greenlawn Census Designated Place (see map below) encompass a land area of 3.72 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 226 feet.

The Greenlawn Census Designated Place (GNIS ID: 2389876) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Greenlawn Census Designated Place is located within Town of Huntington, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Greenlawn population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Greenlawn Census Designated Place, NY Boundary Map

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Greenlawn, NY Data & Demographics (As of July 1, 2017)


Total Population 13,978
Daytime Population: Workers 3,148
Daytime Population: Residents 7,663
Total Daytime Population (TDP) 10,811
Ratio TDP/Total Population1 0.77
Population in Households 13,669
Population in Familes 11,701
Population in Group Qrtrs 309
Population Density2 3,754
Diversity Index3 62


Median Household Income $103,825
Average Household Income $142,204
Per Capita Income $47,641


Total Housing Units 4,760 (100%)
Owner Occupied HU 3,536 (74.3%)
Renter Occupied HU 1,078 (22.6%)
Vacant Housing Units 146 ( 3.1%)
Median Home Value $476,010
Average Home Value $547,144


Total Households 4,614
Average Household Size 2.96
Family Households 3,353
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.24% 0.28%
Households 0.16% 0.23%
Families 0.03% 0.15%
Median Household Income   1.6%
Per Capita Income   2.22%

Greenlawn, NY - Peer Comparisons by Rank and Percentile

The table below compares Greenlawn to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 144 88th
Population Density # 209 83rd
Diversity Index # 136 89th
Median Household Income # 207 83rd
Per Capita Income # 226 81st

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.

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