Bay Shore, NY Profile: Facts, Map & Data


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Bay Shore, New York - Basic Facts

The Bay Shore Census Designated Place had a population of 27,322 as of July 1, 2016. Bay Shore ranks in the upper quartile for Population Density and 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 Bay Shore is located at latitude 40.7303 and longitude -73.2493 in Suffolk County. The formal boundaries for the Bay Shore Census Designated Place (see map below) encompass a land area of 5.38 sq. miles and a water area of 0.16 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The Bay Shore Census Designated Place (GNIS ID: 2389179) 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 Bay Shore Census Designated Place is located within Town of Islip, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Bay Shore 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 Bay Shore: Bayshore, Keith, Mechanicville, Penataquit.

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.


Bay Shore Census Designated Place, NY Boundary Map

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

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Bay Shore, NY Data & Demographics (As of July 1, 2016)


Total Population 27,322
Population in Households 27,047
Population in Familes 21,638
Population in Group Qrtrs 275
Population Density1 5,083
Diversity Index2 80


Total Households 9,382
Average Household Size 2.88
Family Households 6,217
Average Family Size 3


Total Housing Units 10,010 (100%)
Owner Occupied HU 5,348 (53.4%)
Renter Occupied HU 4,034 (40.3%)
Vacant Housing Units 628 ( 6.3%)
Median Home Value $346,920
Average Home Value $399,743


Median Household Income $70,877
Average Household Income $89,343
Per Capita Income $30,968
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.59% 0.45%
Households 0.55% 0.44%
Families 0.36% 0.33%
Median Household Income   2.07%
Per Capita Income   1.74%
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.

Bay Shore, NY - Peer Comparisons by Rank and Percentile

The table below compares Bay Shore 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 # 55 95th
Population Density1 # 134 89th
Diversity Index2 # 33 97th
Median Household Income # 439 63rd
Per Capita Income # 568 53rd

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

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