Commack, New York Demographics & Population 2026
During the 2020–2024 ACS period, Commack, New York had a total population of 36,558, the 30th largest community in New York, with a median household income of $169,792, which is 97% higher than the state average. The poverty rate is 4.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 97% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 4.2% — among the lowest in New York.
Commack Quick Facts
How Commack Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 36,353 | 36,558 | +0.6% |
| Median household income | $170,375 | $169,792 | -0.3% |
| Median home value | $647,000 | $678,200 | +4.8% |
How Commack Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Commack Rankings in New York
Explore New York Rankings
Other Cities in Suffolk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| West Babylon | 43,570 | $129,519 | 5.9% | $531,900 |
| Coram | 39,539 | $105,220 | 7.5% | $452,100 |
| Central Islip | 38,373 | $113,707 | 9.2% | $436,400 |
| Huntington Station | 32,601 | $135,477 | 7.2% | $578,000 |
| Centereach | 31,839 | $132,240 | 5.3% | $514,800 |
| Bay Shore | 31,683 | $105,618 | 10.2% | $492,200 |
| Shirley | 28,375 | $112,788 | 6.5% | $424,900 |
| Deer Park | 27,990 | $137,105 | 3.4% | $543,500 |
| Lindenhurst | 27,142 | $130,128 | 5.7% | $521,500 |
| West Islip | 26,865 | $176,281 | 2.7% | $614,300 |
Cities Similar to Commack
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| New City | 34,458 | $173,046 | $650,700 | 58.3% | 4.3% |
| Baldwin | 34,994 | $145,472 | $593,800 | 44.3% | 6.6% |
| East Meadow | 36,821 | $133,971 | $631,800 | 48.6% | 6.4% |
| Long Beach | 34,756 | $140,739 | $696,400 | 55.8% | 7.6% |
| Elmont | 36,518 | $114,217 | $602,900 | 32.6% | 5.0% |
Population Overview
Commack is a mid-sized community located in New York, within Suffolk County. The total population is 36,558. It ranks as the 30th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Commack is 42.3 years. This is 6% higher than the state median of 39.8 years.
Economy, Income & Housing
The median household income in Commack is $169,792. This is 97% higher than the state median of $85,974. It is also 110% higher than the national median of $80,734. The poverty rate stands at 4.2%. This is 70% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.6%. This is 28% lower than the state rate of 6.4%. The median home value is $678,200. Housing costs are 60% higher than the state median of $423,800. The home-value-to-income ratio is 4.0x. 93.7% of occupied housing units are owner-occupied. This homeownership rate is 72% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Commack is White (non-Hispanic), making up 78.6% of the population. Hispanic or Latino residents account for 9.5%. The Black or African American population (1.9%) is well below the state average of 13.4%. The Hispanic or Latino population (9.5%) is well below the state average of 19.8%.
Education
60.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.7%. Notably, 28.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Commack, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Commack, New York?
Commack, New York has a population of 36,558 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Commack, NY?
The median household income in Commack is $169,792, which is 110% higher than the national median of $80,734.
What is the poverty rate in Commack, NY?
The poverty rate in Commack is 4.2%. This means approximately 1,516 residents live below the federal poverty line.
What is the racial makeup of Commack, New York?
Commack's population is 78.6% White, 1.9% Black, 9.5% Hispanic/Latino, and 6.9% Asian.
What is the median home value in Commack, NY?
The median home value in Commack is $678,200. The home-value-to-income ratio is 4.0x.
How educated is Commack, New York?
60.0% of adults (25+) in Commack hold a bachelor's degree or higher, and 28.8% hold a graduate or professional degree.