New Suffolk, NY Profile: Facts & Data


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New Suffolk, New York - Basic Facts

The New Suffolk Census Designated Place had a population of 349 as of July 1, 2018.

The primary coordinate point for New Suffolk is located at latitude 40.9968 and longitude -72.4775 in Suffolk County. The formal boundaries for the New Suffolk Census Designated Place (see map below) encompass a land area of 0.56 sq. miles and a water area of 0.05 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 26 feet.

The New Suffolk Census Designated Place (GNIS ID: 2389544) 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 New Suffolk Census Designated Place is located within Town of Southold, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with New Suffolk population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Jump to... (On This Page!)
  1. New Suffolk 2018 Demographic Data
  2. Growth Rates for New Suffolk (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New York Research Tools (Easy Tools & Current Data)
  3. New York Data Comparison Tool - 2018 Demographics

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New Suffolk, NY Data & Demographics (As of July 1, 2018)


Total Population 349
Population in Households 345
Population in Familes 266
Population in Group Qrtrs 4
Population Density2 627
Diversity Index3 18


Median Household Income $48,226
Average Household Income $67,319
Per Capita Income $31,744


Total Housing Units 307 (100%)
Owner Occupied HU 144 (46.9%)
Renter Occupied HU 31 (10.1%)
Vacant Housing Units 132 (43.0%)
Median Home Value $866,071
Average Home Value $967,014


Total Households 175
Average Household Size 1.97
Family Households 112
Average Family Size 2
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.0% 0.0%
Households -0.14% 0.0%
Families 0.33% -0.18%
Median Household Income   4.25%
Per Capita Income   5.22%

New Suffolk, NY - Peer Comparisons by Rank and Percentile

The table below compares New Suffolk to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2018 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 # 1107 8th
Population Density # 866 28th
Diversity Index # 712 40th
Median Household Income # 948 21st
Per Capita Income # 626 48th

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

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New York Census Data Comparison Tool

Compare New York July 1, 2018 Data
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