Stony Brook, NY Profile: Facts & Data


Stony Brook Local Links & Resources:
Hotels | Resources | ALL Stony Brook Content

Also See: Stony Brook, NY ZIP Codes & ZIP Code Maps | Local Area Photos

Stony Brook, New York - Basic Facts

The Stony Brook Census Designated Place had a population of 13,726 as of July 1, 2018.

The primary coordinate point for Stony Brook is located at latitude 40.906 and longitude -73.1274 in Suffolk County. The formal boundaries for the Stony Brook Census Designated Place (see map below) encompass a land area of 5.81 sq. miles and a water area of 0.14 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 89 feet.

The Stony Brook Census Designated Place (GNIS ID: 2390358) 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 Stony Brook Census Designated Place is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.

Alternate Unofficial Names for Stony Brook: Stonybrook, Wopowag.

Jump to... (On This Page!)
  1. Stony Brook 2018 Demographic Data
  2. Growth Rates for Stony Brook (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

Research a New York Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Stony Brook, NY Data & Demographics (As of July 1, 2018)


Total Population 13,726
Population in Households 13,633
Population in Familes 11,738
Population in Group Qrtrs 93
Population Density2 2,364
Diversity Index3 35


Median Household Income $144,450
Average Household Income $175,215
Per Capita Income $61,526


Total Housing Units 5,080 (100%)
Owner Occupied HU 4,314 (84.9%)
Renter Occupied HU 489 ( 9.6%)
Vacant Housing Units 277 ( 5.5%)
Median Home Value $503,595
Average Home Value $587,199


Total Households 4,803
Average Household Size 2.84
Family Households 3,590
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 -0.01% 0.05%
Households -0.11% -0.02%
Families -0.21% -0.09%
Median Household Income   1.42%
Per Capita Income   2.33%

Stony Brook, NY - Peer Comparisons by Rank and Percentile

The table below compares Stony Brook 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 # 148 88th
Population Density # 364 70th
Diversity Index # 417 65th
Median Household Income # 81 93rd
Per Capita Income # 135 89th

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

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features
  4. Research Public Schools & Attendance Zones

New York Census Data Comparison Tool

Compare New York July 1, 2018 Data
Highest or Lowest: