Sound Beach, NY Profile: Facts, Map & Data


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Sound Beach, New York - Basic Facts

The Sound Beach Census Designated Place had a population of 7,810 as of July 1, 2017. Sound Beach ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Sound Beach is located at latitude 40.9579 and longitude -72.9725 in Suffolk County. The formal boundaries for the Sound Beach Census Designated Place (see map below) encompass a land area of 1.64 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 177 feet.

The Sound Beach Census Designated Place (GNIS ID: 2390313) 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 Sound Beach Census Designated Place is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Sound Beach population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Sound Beach Census Designated Place, NY Boundary Map

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Sound Beach, NY Data & Demographics (As of July 1, 2017)


Total Population 7,810
Daytime Population: Workers 403
Daytime Population: Residents 3,498
Total Daytime Population (TDP) 3,901
Ratio TDP/Total Population1 0.50
Population in Households 7,777
Population in Familes 6,548
Population in Group Qrtrs 33
Population Density2 4,772
Diversity Index3 27


Median Household Income $87,721
Average Household Income $106,686
Per Capita Income $38,246


Total Housing Units 3,020 (100%)
Owner Occupied HU 2,231 (73.9%)
Renter Occupied HU 559 (18.5%)
Vacant Housing Units 230 ( 7.6%)
Median Home Value $322,162
Average Home Value $364,758


Total Households 2,790
Average Household Size 2.79
Family Households 1,990
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.35% 0.42%
Households 0.31% 0.35%
Families 0.19% 0.27%
Median Household Income   2.56%
Per Capita Income   2.58%

Sound Beach, NY - Peer Comparisons by Rank and Percentile

The table below compares Sound Beach to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2017 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 # 240 80th
Population Density # 144 88th
Diversity Index # 528 56th
Median Household Income # 324 73rd
Per Capita Income # 405 66th

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

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