Terryville, NY Profile: Facts & Data


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Terryville, New York - Basic Facts

The Terryville Census Designated Place had a population of 11,951 as of July 1, 2018. Terryville 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 Terryville is located at latitude 40.909 and longitude -73.0651 in Suffolk County. The formal boundaries for the Terryville Census Designated Place (see map below) encompass a land area of 3.23 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 151 feet.

The Terryville Census Designated Place (GNIS ID: 2390382) 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 Terryville Census Designated Place is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.

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  1. Terryville 2018 Demographic Data
  2. Growth Rates for Terryville (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

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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.


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


Total Population 11,951
Population in Households 11,868
Population in Familes 10,359
Population in Group Qrtrs 83
Population Density2 3,702
Diversity Index3 53


Median Household Income $104,883
Average Household Income $128,002
Per Capita Income $41,241


Total Housing Units 3,976 (100%)
Owner Occupied HU 2,929 (73.7%)
Renter Occupied HU 901 (22.7%)
Vacant Housing Units 146 ( 3.7%)
Median Home Value $370,055
Average Home Value $426,664


Total Households 3,830
Average Household Size 3.1
Family Households 2,951
Average Family Size 4
  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 0.1% 0.14%
Households 0.01% 0.06%
Families -0.09% -0.01%
Median Household Income   2.02%
Per Capita Income   3.11%

Terryville, NY - Peer Comparisons by Rank and Percentile

The table below compares Terryville 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 # 168 86th
Population Density # 211 82nd
Diversity Index # 212 82nd
Median Household Income # 224 81st
Per Capita Income # 378 68th

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