Stony Brook, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Stony Brook, New York is 12,827 as of the 2023 American Community Survey, making it the 153rd-largest city in New York. The median household income is $162,054, the median home value is $587,300, and the median age is 45.4.
12,827
Population
2203
People / sq mi
$162,054
Median Income
$587,300
Median Home Value
Stony Brook covers 5.8 sq mi of land at 2203 people per square mile.
About Stony Brook, NY
Stony Brook is a city in New York with a population of 12,827. It ranks #153 among cities in New York by population. The median age is 45.4, older than the national median. The population is 51.2% male and 48.8% female.
The median household income in Stony Brook is $162,054, above the US median of $74,580. 1.1% of residents live below the federal poverty level. Home values sit at a median of $587,300, with monthly rent averaging $2,643. The homeownership rate of 90.0% is higher than the national rate of 64.8%.
Educational attainment in Stony Brook reflects 68.1% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 16.6% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 31.9 minutes each way.
Race & Ethnicity
| White | 80.1% |
| Black or African American | 3.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Economy & Income
$162,054
Median Household Income
$72,519
Per Capita Income
1.1%
Poverty Rate
2.8%
Unemployment Rate
Housing
$587,300
Median Home Value
$2,643
Median Rent
90.0%
Owner-Occupied
Education
98.0%
High School+
68.1%
Bachelor's+
Commute
4.4%
Drive Alone
71.0%
Public Transit
16.6%
Work From Home
31.9 min
Avg Commute
Community Profile
11.1%
Foreign Born
81.2%
Non-English at Home
3.3%
Veterans
8.3%
With Disability
99.1%
Health Insurance
95.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 44.2% |
| Finance, Insurance & Real Estate | 13.8% |
| Education, Health Care & Social Services | 5.6% |
| Construction | 5.2% |
| Information | 5.2% |
| Public Administration | 4.7% |
| Manufacturing | 3.7% |
| Retail Trade | 3.0% |
| Arts, Entertainment & Food Services | 1.9% |
| Transportation & Warehousing | 1.5% |
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Part of New York
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City rankings
Frequently Asked Questions
Stony Brook, New York has a population of 12,827 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 153rd-largest city in New York.
The median household income in Stony Brook, New York is $162,054, with 1.1% of residents living below the federal poverty level.
The median home value in Stony Brook, New York is $587,300, with median monthly rent at $2,643 and a homeownership rate of 90.0%.
The median age in Stony Brook, New York is 45.4 years. The population is 51.2% male and 48.8% female.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.