Northwest Harbor, NY Profile: Facts, Map & Data


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Northwest Harbor, New York - Basic Facts

The Northwest Harbor Census Designated Place had a population of 3,464 as of July 1, 2017. Northwest Harbor ranks in the lower quartile for Population Density and the upper quartile for 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 Northwest Harbor is located at latitude 41.0017 and longitude -72.223 in Suffolk County. The formal boundaries for the Northwest Harbor Census Designated Place (see map below) encompass a land area of 14.47 sq. miles and a water area of 1.58 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 79 feet.

The Northwest Harbor Census Designated Place (GNIS ID: 2389593) 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 Northwest Harbor Census Designated Place is located within Town of East Hampton, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Northwest Harbor 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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Northwest Harbor Census Designated Place, NY Boundary Map

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


Total Population 3,464
Daytime Population: Workers 598
Daytime Population: Residents 1,592
Total Daytime Population (TDP) 2,190
Ratio TDP/Total Population1 0.63
Population in Households 3,453
Population in Familes 2,698
Population in Group Qrtrs 11
Population Density2 239
Diversity Index3 53


Median Household Income $111,729
Average Household Income $160,013
Per Capita Income $63,200


Total Housing Units 3,441 (100%)
Owner Occupied HU 1,127 (32.8%)
Renter Occupied HU 239 ( 6.9%)
Vacant Housing Units 2,075 (60.3%)
Median Home Value $1,000,001
Average Home Value $1,087,799


Total Households 1,366
Average Household Size 2.53
Family Households 900
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 0.6% 0.54%
Households 0.55% 0.52%
Families 0.39% 0.44%
Median Household Income   1.39%
Per Capita Income   2.14%

Northwest Harbor, NY - Peer Comparisons by Rank and Percentile

The table below compares Northwest Harbor 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 # 452 62nd
Population Density # 1105 8th
Diversity Index # 207 83rd
Median Household Income # 152 87th
Per Capita Income # 118 90th

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

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