Mount Sinai, New York Demographics & Population 2026
During the 2020–2024 ACS period, Mount Sinai, New York had a total population of 11,093, the 174th largest community in New York, with a median household income of $162,188, which is 89% higher than the state average. The poverty rate is 1.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 89% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 1.6% — among the lowest in New York.
- Near full employment with an unemployment rate of just 2.3%.
Mount Sinai Quick Facts
How Mount Sinai 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 | 11,876 | 11,093 | -6.6% |
| Median household income | $170,188 | $162,188 | -4.7% |
| Median home value | $637,700 | $661,200 | +3.7% |
How Mount Sinai 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+)
Mount Sinai 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 |
| Commack | 36,558 | $169,792 | 4.2% | $678,200 |
| 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 |
Cities Similar to Mount Sinai
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Dobbs Ferry | 11,443 | $165,417 | $765,500 | 69.7% | 6.6% |
| Great Neck | 11,087 | $137,981 | $968,500 | 53.2% | 6.6% |
| North Wantagh | 11,940 | $156,738 | $624,400 | 49.0% | 3.2% |
| Elwood | 11,762 | $177,003 | $689,500 | 56.6% | 3.5% |
| Miller Place | 11,736 | $146,492 | $614,400 | 45.4% | 5.8% |
Population Overview
Mount Sinai is a small city located in New York, within Suffolk County. The total population is 11,093. It ranks as the 174th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Mount Sinai is 46.6 years. This is 17% higher than the state median of 39.8 years. 12.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Mount Sinai is $162,188. This is 89% higher than the state median of $85,974. It is also 101% higher than the national median of $80,734. The poverty rate stands at 1.6%. This is 89% 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 2.3%. This is 63% lower than the state rate of 6.4%. The median home value is $661,200. Housing costs are 56% higher than the state median of $423,800. The home-value-to-income ratio is 4.1x. 92.6% of occupied housing units are owner-occupied. This homeownership rate is 70% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Mount Sinai is White (non-Hispanic), making up 78.0% of the population. Hispanic or Latino residents account for 14.3%. The Black or African American population (1.9%) is well below the state average of 13.4%. The Asian population (3.1%) is well below the state average of 9.0%.
Education
50.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% 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 95.7%. Notably, 26.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mount Sinai, 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 Mount Sinai, New York?
Mount Sinai, New York has a population of 11,093 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Sinai, NY?
The median household income in Mount Sinai is $162,188, which is 101% higher than the national median of $80,734.
What is the poverty rate in Mount Sinai, NY?
The poverty rate in Mount Sinai is 1.6%. This means approximately 179 residents live below the federal poverty line.
What is the racial makeup of Mount Sinai, New York?
Mount Sinai's population is 78.0% White, 1.9% Black, 14.3% Hispanic/Latino, and 3.1% Asian.
What is the median home value in Mount Sinai, NY?
The median home value in Mount Sinai is $661,200. The home-value-to-income ratio is 4.1x.
How educated is Mount Sinai, New York?
50.7% of adults (25+) in Mount Sinai hold a bachelor's degree or higher, and 26.1% hold a graduate or professional degree.