Commack, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Commack, New York is 36,353 as of the 2023 American Community Survey, making it the 30th-largest city in New York. The median household income is $170,375, the median home value is $647,000, and the median age is 43.7.
36,353
Population
2968
People / sq mi
$170,375
Median Income
$647,000
Median Home Value
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Commack covers 12.2 sq mi of land at 2968 people per square mile.
About Commack, NY
Homeownership is the standout figure in Commack: 93.7% of homes are owner-occupied, higher than the national rate. With 36,353 residents, Commack is a city in New York. It ranks #30 among cities in New York by population.
Households here are among the highest-earning of all US cities: median income is $170,375, above the US median of $78,538. Hardship is rare relative to US cities: a poverty rate of just 1.7%, below the national 12.4%. Home values run above average at $647,000, with typical rent around $2,396.
Educational attainment is on the higher side for US cities — 59.5% of adults hold a four-year degree, above the national 35.0%. A solid 16.4% of workers are based at home, above the national 14.0%, and the average commute runs about 34 minutes each way.
The ownership rate anchors the housing story in Commack, and tends to move with the age structure and home-value figures above.
Race & Ethnicity
| White | 84.9% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$170,375
Median Household Income
$67,021
Per Capita Income
1.7%
Poverty Rate
2.8%
Unemployment Rate
Housing
$647,000
Median Home Value
$2,396
Median Rent
93.7%
Owner-Occupied
Education
96.7%
High School+
59.5%
Bachelor's+
Commute
5.5%
Drive Alone
72.1%
Public Transit
16.4%
Work From Home
34.1 min
Avg Commute
Community Profile
4.8%
Foreign Born
85.9%
Non-English at Home
4.2%
Veterans
8.8%
With Disability
98.0%
Health Insurance
98.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 31.0% |
| Finance, Insurance & Real Estate | 16.3% |
| Information | 10.4% |
| Education, Health Care & Social Services | 6.1% |
| Manufacturing | 5.9% |
| Construction | 5.4% |
| Public Administration | 4.7% |
| Retail Trade | 4.0% |
| Transportation & Warehousing | 2.4% |
| Arts, Entertainment & Food Services | 1.9% |
| Agriculture & Mining | 0.2% |
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Frequently Asked Questions
Commack, New York has a population of 36,353 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 30th-largest city in New York.
The median household income in Commack, New York is $170,375, with 1.7% of residents living below the federal poverty level.
The median home value in Commack, New York is $647,000, with median monthly rent at $2,396 and a homeownership rate of 93.7%.
The median age in Commack, New York is 43.7 years. The population is 49.9% male and 50.1% female.
Commack Cdp, NY Climate
Commack Cdp, NY has an average annual temperature of 11.2°C (52°F) and receives about 1105 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.2°C
Avg Temp
1105
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 30° | 91 mm |
| February | 0° / 32° | 78 mm |
| March | 4° / 40° | 105 mm |
| April | 10° / 49° | 100 mm |
| May | 15° / 59° | 96 mm |
| June | 20° / 68° | 81 mm |
| July | 23° / 74° | 83 mm |
| August | 23° / 73° | 101 mm |
| September | 19° / 65° | 88 mm |
| October | 13° / 55° | 88 mm |
| November | 8° / 46° | 99 mm |
| December | 2° / 36° | 95 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Commack Cdp, NY
The most comfortable months to visit Commack Cdp, NY are typically June, July and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -5°C low). March is usually the wettest month.
Where to stay near Commack
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.