Commack, NY Profile: Facts, Map & Data


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Commack, New York - Basic Facts

The Commack Census Designated Place had a population of 36,587 as of July 1, 2017. Commack 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 Commack is located at latitude 40.8442 and longitude -73.2834 in Suffolk County. The formal boundaries for the Commack Census Designated Place (see map below) encompass a land area of 11.96 sq. miles and a water area of 0 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 131 feet.

The Commack Census Designated Place (GNIS ID: 2389350) 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 Commack Census Designated Place is located within Town of Smithtown, a minor civil division (MCD) of Suffolk County.

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

Alternate Unofficial Names for Commack: Comac, Co-Mac, Comack, Commac, Comock, Wanecommack, Winne - Comack, Winnecomac Win-Ne-Co-Mack, Winnie Comac.

EXTREMELY LOCAL Demographic Data

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Commack Census Designated Place, NY Boundary Map

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

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


Total Population 36,587
Daytime Population: Workers 17,160
Daytime Population: Residents 18,102
Total Daytime Population (TDP) 35,262
Ratio TDP/Total Population1 0.96
Population in Households 36,091
Population in Familes 33,195
Population in Group Qrtrs 496
Population Density2 3,059
Diversity Index3 30


Median Household Income $118,284
Average Household Income $150,668
Per Capita Income $49,830


Total Housing Units 12,327 (100%)
Owner Occupied HU 10,888 (88.3%)
Renter Occupied HU 1,108 ( 9.0%)
Vacant Housing Units 331 ( 2.7%)
Median Home Value $498,507
Average Home Value $544,462


Total Households 11,996
Average Household Size 3.01
Family Households 9,920
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 0.18% 0.26%
Households 0.1% 0.2%
Families 0.03% 0.15%
Median Household Income   1.55%
Per Capita Income   2.09%

Commack, NY - Peer Comparisons by Rank and Percentile

The table below compares Commack 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 # 29 98th
Population Density # 272 77th
Diversity Index # 485 60th
Median Household Income # 125 90th
Per Capita Income # 195 84th

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

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