Brentwood, NY Profile: Facts & Data


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Brentwood, New York - Basic Facts

The Brentwood Census Designated Place had a population of 61,425 as of July 1, 2018. Brentwood 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 Brentwood is located at latitude 40.784 and longitude -73.2522 in Suffolk County. The formal boundaries for the Brentwood Census Designated Place (see map below) encompass a land area of 10.97 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 79 feet.

The Brentwood Census Designated Place (GNIS ID: 2389235) 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 Brentwood Census Designated Place is located within Town of Islip, a minor civil division (MCD) of Suffolk County.

Beneath the boundary map are tables with Brentwood 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 Brentwood: Modern Times.

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


Total Population 61,425
Population in Households 60,159
Population in Familes 49,222
Population in Group Qrtrs 1,266
Population Density1 5,601
Diversity Index2 86


Median Household Income $78,190
Average Household Income $91,103
Per Capita Income $20,589


Total Housing Units 14,322 (100%)
Owner Occupied HU 9,429 (65.8%)
Renter Occupied HU 4,190 (29.3%)
Vacant Housing Units 703 ( 4.9%)
Median Home Value $316,464
Average Home Value $333,941


Total Households 13,619
Average Household Size 4.42
Family Households 11,323
Average Family Size 4
  1. Population Density = Total Population per square mile.
  2. 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 0.15% 0.1%
Households -0.03% 0.04%
Families -0.11% -0.01%
Median Household Income   2.04%
Per Capita Income   2.82%

Brentwood, NY - Peer Comparisons by Rank and Percentile

The table below compares Brentwood 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 # 12 99th
Population Density # 117 90th
Diversity Index # 12 99th
Median Household Income # 430 64th
Per Capita Income # 1153 4th

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

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