Port Jefferson, NY Profile: Facts & Data


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Port Jefferson, New York - Basic Facts

The Village of Port Jefferson had a population of 8,282 as of July 1, 2018.

The primary coordinate point for Port Jefferson is located at latitude 40.9422 and longitude -73.0528 in Suffolk County. The formal boundaries for the Village of Port Jefferson (see map below) encompass a land area of 3.06 sq. miles and a water area of 0.03 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 3 feet.

The Village of Port Jefferson (GNIS ID: 2391078) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Port Jefferson is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.

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

Alternate Unofficial Names for Port Jefferson: Drowned Meadow, Drowned Meadows, Sowassett, So-was-sett.

Jump to... (On This Page!)
  1. Port Jefferson 2018 Demographic Data
  2. Growth Rates for Port Jefferson (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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Port Jefferson, NY Data & Demographics (As of July 1, 2018)


Total Population 8,282
Population in Households 7,955
Population in Familes 6,276
Population in Group Qrtrs 327
Population Density2 2,709
Diversity Index3 39


Median Household Income $121,696
Average Household Income $164,221
Per Capita Income $66,190


Total Housing Units 3,443 (100%)
Owner Occupied HU 2,241 (65.1%)
Renter Occupied HU 1,037 (30.1%)
Vacant Housing Units 165 ( 4.8%)
Median Home Value $591,903
Average Home Value $648,003


Total Households 3,278
Average Household Size 2.43
Family Households 2,073
Average Family Size 3
  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 0.81% 1.23%
Households 0.72% 1.19%
Families 0.59% 1.09%
Median Household Income   1.93%
Per Capita Income   2.56%

Port Jefferson, NY - Peer Comparisons by Rank and Percentile

The table below compares Port Jefferson 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 # 227 81st
Population Density # 318 73rd
Diversity Index # 356 70th
Median Household Income # 127 89th
Per Capita Income # 117 90th

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

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