Stony Brook, NY Profile: Facts, Map & Data


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Stony Brook, New York - Basic Facts

The Stony Brook Census Designated Place had a population of 13,647 as of July 1, 2016.

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.

Beneath the boundary map are tables with Stony Brook population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Stony Brook: Stonybrook, Wopowag.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Stony Brook Census Designated Place, NY Boundary Map

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Boundary Maps: Town of Brookhaven | Suffolk County | New York Counties

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Stony Brook, NY Data & Demographics (As of July 1, 2016)


Total Population 13,647
Population in Households 13,553
Population in Familes 11,630
Population in Group Qrtrs 94
Population Density1 2,351
Diversity Index2 34


Total Households 4,814
Average Household Size 2.82
Family Households 3,604
Average Family Size 3


Total Housing Units 5,074 (100%)
Owner Occupied HU 4,306 (84.9%)
Renter Occupied HU 508 (10.0%)
Vacant Housing Units 260 ( 5.1%)
Median Home Value $487,135
Average Home Value $544,310


Median Household Income $127,869
Average Household Income $158,732
Per Capita Income $56,211
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.11% 0.0%
Households -0.11% 0.0%
Families -0.22% -0.07%
Median Household Income   1.27%
Per Capita Income   1.32%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 # 151 87th
Population Density1 # 371 69th
Diversity Index2 # 417 65th
Median Household Income # 86 93rd
Per Capita Income # 140 88th

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

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