Commack, NY demographics:
population, income, and more

Total population
36,558
0.6% year-over-year change
Median household income
$169,792/yr
-0.3% year-over-year change
Housing units
11,878
-0.3% year-over-year change

Commack population

How many people live in Commack

Commack is home to 36,558 residents, according to the most recent Census data. Gender-wise, 49.6% of Commack locals are male, and 50.4% are female.

Total population
36,558
0.6% year-over-year change
Gender ratio
Male
49.6%
18,135
Female
50.4%
18,423
Value Percent YoY change
Male 18,135 49.6% -0.0%
Female 18,423 50.4% 1.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Commack is 42, with the population distributed as follows: about 17.7% are children under 15, then 13.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.9% of the population, while another 30.1% fall into the 45 to 64 bracket. Finally, around 16.9% are 65 or older.

Median age
42.3
Age breakdown
Under 15
17.7%
15 to 24
13.4%
25 to 44
21.9%
45 to 64
30.1%
Over 65
16.9%
Value Percent YoY change
Under 15 6,479 17.7% 5.5%
15 to 24 4,889 13.4% -2.2%
25 to 44 7,995 21.9% 4.6%
45 to 64 11,016 30.1% -4.3%
Over 65 6,179 16.9% 2.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Commack, 88.7% of the population are US-born citizens, while 8.4% have gained naturalized citizenship. At the same time, 2.8% of residents are non-citizens. As for race, 81.6% of locals are Caucasian, 2.2% are African American and 7% have Asian roots. There’s also a share of 7.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
88.7%
Non-U.S.-born citizens
8.4%
Non-citizens
2.8%
Value Percent YoY change
U.S.-born citizens 32,438 88.7% 0.3%
Non-U.S.-born citizens 3,083 8.4% -2.4%
Non-citizens 1,037 2.8% 22.1%
Racial breakdown
White
81.6%
Black or African American
2.2%
American Indian and Alaska Native
0%
Asian
7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.3%
Other
1.9%
Value Percent
White 29,848 81.6%
Black or African American 785 2.2%
Asian 2,543 7%
Two or more races 2,685 7.3%
Other 697 1.9%

Households in Commack

A peek inside Commack households

Commack has 11,640 households, with an average of 3 members in each. Of these, 84.6% are families, while the remaining 15.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
11,640
0.5% year-over-year change
Average people per household
3
Non-family households
1,790
Family households
9,850
Value Percent YoY change
Non-family households 1,790 15.4% 2.0%
Family households 9,850 84.6% 0.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Commack

The housing landscape of Commack

Commack's housing consists of 11,878 units, with 93.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.2% of the housing landscape.

Housing units
11,878
-0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 11,087 93.3%
1 unit, attached 345 2.9%
2 units 24 0.2%
3 or 4 units 34 0.3%
5 to 9 units 66 0.6%
10 to 19 units 171 1.4%
20 to 49 units 29 0.2%
50 or more units 104 0.9%
Mobile home 18 0.2%
Homes built since 2020
31
520.0% year-over-year change

The age of buildings in Commack

In Commack, the median construction year is 1964. About 1.1% of homes were built before the 1940s, with another 1.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.4% of homes were added from 2000 to 2009, 0.7% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 133 1.1% 2.3%
Built between 1940 and 1949 166 1.4% -9.3%
Built between 1950 and 1959 3,353 28.2% -1.8%
Built between 1960 and 1969 5,233 44.1% 0.9%
Built between 1970 and 1979 1,164 9.8% 3.0%
Built between 1980 and 1989 977 8.2% 0.5%
Built between 1990 and 1999 582 4.9% -6.3%
Built between 2000 and 2009 161 1.4% -9.0%
Built between 2010 and 2019 78 0.7% -19.6%
Built in 2020 or later 31 0.3% 520.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Commack occupancy rates

Out of the 11,640 occupied housing units in Commack, 93.7% are owner-occupied, while 6.3% are lived in by tenants. Meanwhile, 2% of all homes on the local market sit vacant.

Occupied housing units
11,640
0.5% year-over-year change
Occupancy breakdown
Renter occupied
733
Owner occupied
10,907
Value Percent YoY
change
Renter occupied 733 6.3% 1.2%
Owner occupied 10,907 93.7% 0.5%
Unoccupied housing units
2.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Commack housing costs

Housing costs in Commack come to a median of $3,112 per month, while tenants specifically pay a median gross rent of $2,665.

Median housing costs per month
$3,112/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Commack
$2,665/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Commack

Commack education at a glance

About 17.6% of the population in Commack went to high school, while 14.6% pursued college studies. Another 8.7% earned an associate degree and 30.7% hold a bachelor’s. Meanwhile, 26.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 472 1.7% 24.5%
High school diploma 4,958 17.6% -2.1%
College diploma 4,124 14.6% -4.2%
Associate degree 2,462 8.7% -3.4%
Bachelor's degree 8,638 30.7% 0.8%
Graduate degree 7,509 26.7% 0.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Commack

How much people earn in Commack

The average annual household income in Commack was $203,185 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.8% change from the previous year. At the same time, the median income stood at $169,792, reflecting a -0.3% shift over the same period.

Average household income in Commack
$203,185/year
-0.8% year-over-year change
Median household income in Commack
$169,792/year
-0.3% year-over-year change

Commack income by age

In Commack, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $213,074. Those with someone between 45 and 64 in charge, often well established professionally, earn $190,848 overall. Overall, 95.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $213,074 6.6%
45 - 64 $190,848 0.1%
Over 65 $108,941 0.9%
Above poverty level
34,136
Below poverty level
1,516
Value Percent YoY
change
Above poverty level 34,136 95.8% -0.6%
Below poverty level 1,516 4.2% 24.6%

Average renter income in Commack

To get a better sense of what renters earn on average in Commack, their median household income was $66,118 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 48.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$66,118
Rent-to-income ratio
48.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Commack

Workforce and job types in Commack

The job market in Commack is powered by 18,632 working residents, spread across a range of industries and roles. 91.5% of the working population are employed in professional or administrative positions, while 8.5% are in hands-on or service-based jobs. Also, 11.3% run their own businesses, 60.1% are employed by private companies, and 20.4% work in the public sector.

Workforce demographics

Working population
18,632
-2.5% year-over-year change
White collar
17,045
Blue collar
1,587
Value Percent YoY change
White collar 17,045 91.5% -1.4%
Blue collar 1,587 8.5% -12.9%
Employer type
Self employees
11.3%
Private companies
60.1%
Governmental workers
20.4%
Not for profit companies
8.2%
Value Percent YoY change
Self employees 2,098 11.3% -1.1%
Private companies 11,200 60.1% -3.7%
Governmental workers 3,799 20.4% -2.5%
Not for profit companies 1,535 8.2% 5.3%
Unemployment rate
4.6%
7.8% year-over-year change

Available workforce

The unemployment rate in Commack stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Commack

How people get around in Commack

In Commack, the average commute time is 33 minutes. Commuting methods vary: 74.8% of residents travel by personal vehicle and 0.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
33 min
-2.9% year-over-year change
Means of transportation
Value Percent YoY change
Car 13,692 74.8% -4.8%
Taxicab 22 0.1% -51.1%
Bus or trolleybus 36 0.2% -58.1%
Subway or elevated 47 0.3% N/A
Railroad 762 4.2% -9.0%
Walk 122 0.7% 28.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Commack by zipcode?

Zipcode Population Number of households Median income Average income
11725 29,073 9,230 $168,281 $203,137

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FAQs about Commack demographics 

What is the total population of Commack?

Commack has a total population of 36,558 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.6% compared to a year ago.

What is the gender ratio in Commack?

The gender ratio in Commack is as follows:
  • 49.6% males (18,135 residents)
  • 50.4% females (18,423 residents)

What is the median age in Commack?

The median age in Commack is 42.3.

What is the age distribution of the population in Commack?

The age distribution in Commack is as follows:
  • Under 15: 17.7% (6,479 residents)
  • Ages 15-24: 13.4% (4,889 residents)
  • Ages 25-44: 21.9% (7,995 residents)
  • Ages 45-64: 30.1% (11,016 residents)
  • Over 65: 16.9% (6,179 residents)

What is the racial and ethnic makeup of Commack?

The racial and ethnic makeup of Commack is as follows:
  • White: 81.6% (29,848 residents)
  • Black or African American: 2.2% (785 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 7% (2,543 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.3% (2,685 residents)
  • Other: 1.9% (697 residents)

What percentage of the population in Commack are U.S.-born citizens?

U.S.-born citizens represent 88.7% of the population in Commack.

How many housing units are there in Commack?

There are 11,878 housing units in Commack, reflecting a -0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Commack and what is the average household size?

Commack has a total of 11,640 households, with an average of 3 people in each.

What is the median household income in Commack?

Commack has a median household income of $169,792, representing a -0.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Commack?

The employment rate is 95.4% in Commack, with a workforce of 18,632 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 91.5% (17,045 residents)
  • Blue-collar workers: 8.5% (1,587 residents)

Places of employment:
  • Self-employed: 11.3% (2,098 residents)
  • Private companies: 60.1% (11,200 residents)
  • Governmental workers: 20.4% (3,799 residents)
  • Not-for-profit companies: 8.2% (1,535 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025