Stony Brook University, New York Demographics & Population 2026
During the 2020–2024 ACS period, Stony Brook University, New York had a total population of 9,530, the 210th largest community in New York.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 9.3% is notably above the national average.
Stony Brook University Quick Facts
How Stony Brook University 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 | 9,138 | 9,530 | +4.3% |
How Stony Brook University Compares
Median Household Income
Median Home Value
Economy & Housing
Employment
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Stony Brook University 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 Stony Brook University
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Monroe | 9,515 | $109,851 | $427,800 | 41.6% | 9.0% |
| Amityville | 9,588 | $106,285 | $569,800 | 42.7% | 11.2% |
| Fredonia | 9,467 | $50,433 | $192,500 | 45.3% | 25.2% |
| Ogdensburg | 9,455 | $61,824 | $85,400 | 17.5% | 16.1% |
| Woodbury | 9,348 | $191,321 | $1,003,400 | 66.0% | 5.4% |
Population Overview
Stony Brook University is a small city located in New York, within Suffolk County. The total population is 9,530. It ranks as the 210th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Stony Brook University is 19.8 years. This is 50% lower than the state median of 39.8 years. Only 3.1% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The unemployment rate is 9.3%. This is 45% higher than the state rate of 6.4%.
Race & Ethnicity
Stony Brook University is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 35.7%. The Asian population is significantly higher than the state average (43.3% vs 9.0%).
Education
57.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 44% 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 94.7%. Notably, 27.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Stony Brook University, 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.
Free data download: Get all New York city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Stony Brook University, New York?
Stony Brook University, New York has a population of 9,530 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Stony Brook University, NY?
The Census Bureau does not publish a reliable median household income estimate for Stony Brook University — the community is too small for the ACS sample. The national median is $80,734.
What is the racial makeup of Stony Brook University, New York?
Stony Brook University's population is 35.7% White, 7.5% Black, 10.6% Hispanic/Latino, and 43.3% Asian.
What is the median home value in Stony Brook University, NY?
The Census Bureau does not publish a reliable median home value estimate for Stony Brook University — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Stony Brook University, New York?
57.7% of adults (25+) in Stony Brook University hold a bachelor's degree or higher, and 27.0% hold a graduate or professional degree.