Syosset, New York Demographics & Population 2026
During the 2020–2024 ACS period, Syosset, New York had a total population of 18,433, the 98th largest community in New York, with a median household income of $187,273, which is 118% 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 118% 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.
- 69.1% of adults hold a bachelor's degree or higher — top 10% in New York.
Syosset Quick Facts
How Syosset 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 | 18,274 | 18,433 | +0.9% |
| Median household income | $187,936 | $187,273 | -0.4% |
| Median home value | $854,500 | $874,300 | +2.3% |
How Syosset 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
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Syosset Rankings in New York
Explore New York Rankings
Other Cities in Nassau County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hempstead | 58,801 | $90,420 | 14.4% | $459,500 |
| Levittown | 51,904 | $146,068 | 4.7% | $590,500 |
| Freeport | 44,088 | $120,625 | 7.4% | $505,900 |
| Hicksville | 43,780 | $144,471 | 3.9% | $634,100 |
| Valley Stream | 40,315 | $133,190 | 5.5% | $616,100 |
| East Meadow | 36,821 | $133,971 | 6.4% | $631,800 |
| Elmont | 36,518 | $114,217 | 5.0% | $602,900 |
| Baldwin | 34,994 | $145,472 | 6.6% | $593,800 |
| Long Beach | 34,756 | $140,739 | 7.6% | $696,400 |
| Uniondale | 33,148 | $124,684 | 9.2% | $539,000 |
Cities Similar to Syosset
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wantagh | 18,365 | $179,362 | $706,600 | 54.2% | 3.1% |
| Woodmere | 18,061 | $172,537 | $975,400 | 63.6% | 2.1% |
| Port Washington | 18,004 | $170,127 | $1,003,200 | 72.1% | 4.1% |
| Massapequa Park | 16,963 | $171,953 | $642,600 | 53.7% | 3.1% |
| North Bellmore | 20,689 | $181,662 | $659,200 | 53.1% | 1.2% |
Population Overview
Syosset is a small city located in New York, within Nassau County. The total population is 18,433. It ranks as the 98th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Syosset is 42.8 years. This is 8% higher than the state median of 39.8 years. With 28.4% of the population under 18, Syosset has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Syosset is $187,273. This is 118% higher than the state median of $85,974. It is also 132% 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 3.6%. This is 44% lower than the state rate of 6.4%. The median home value is $874,300. Housing costs are 106% higher than the state median of $423,800. The home-value-to-income ratio is 4.7x. 92.4% 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 Syosset is White (non-Hispanic), making up 59.1% of the population. Asian residents account for 32.8%. The Black or African American population (1.0%) is well below the state average of 13.4%. The Hispanic or Latino population (4.5%) is well below the state average of 19.8%. The Asian population is significantly higher than the state average (32.8% vs 9.0%).
Education
69.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Syosset in the top 10% of all cities in the state for educational attainment. This is 72% 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 96.1%. Notably, 34.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Syosset, 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 Syosset, New York?
Syosset, New York has a population of 18,433 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Syosset, NY?
The median household income in Syosset is $187,273, which is 132% higher than the national median of $80,734.
What is the poverty rate in Syosset, NY?
The poverty rate in Syosset is 4.2%. This means approximately 771 residents live below the federal poverty line.
What is the racial makeup of Syosset, New York?
Syosset's population is 59.1% White, 1.0% Black, 4.5% Hispanic/Latino, and 32.8% Asian.
What is the median home value in Syosset, NY?
The median home value in Syosset is $874,300. The home-value-to-income ratio is 4.7x.
How educated is Syosset, New York?
69.1% of adults (25+) in Syosset hold a bachelor's degree or higher, and 34.7% hold a graduate or professional degree.