Stony Brook, NY
Population 12,827 · New York
About Stony Brook, NY
Stony Brook is a mid-sized city in New York with a population of 12,827 residents. The median household income is $162,054 per year, which is above the national average. The median age in Stony Brook is 45.4 years.
Housing in Stony Brook has a median home value of $587,300 and median monthly rent of $2,643. Of the 4,964 total housing units, the majority are owner-occupied, with 4,084 owner-occupied and 455 renter-occupied units.
The unemployment rate in Stony Brook is 4.3% and the poverty rate is 4.3%. 68.1% of residents hold a bachelor's degree or higher. The average commute time is 31.9 minutes.
Cost of Living in Stony Brook, NY
Compared to national averages, Stony Brook has a median household income of $162,054 (116% above the national median of $75,149). Home values average $587,300, which is 140% above the national median. Monthly rent at $2,643 is 127% above the US average of $1,163. Within New York, Stony Brook's income is 67% above the state average of $96,987, and home values are 52% above the state median of $387,181.
Why Live in Stony Brook, NY?
Stony Brook offers a strong local economy with a median household income of $162,054, well above the national average, and a well-educated community where 68.1% of residents hold a bachelor’s degree or higher, and a low poverty rate of 4.3%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $587,300. However, Stony Brook’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Stony Brook has a population of 12,827 with a median age of 45.4 years. Compare Stony Brook with other cities to see how it stacks up, or explore all cities in New York.
Similar Cities Near Stony Brook
Cities in New York with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Manorville | 12,737 | $135,695 | $546,600 | Compare |
| Stony Point | 12,694 | $122,828 | $472,600 | Compare |
| Dunkirk | 12,597 | $49,003 | $91,200 | Compare |
| Geneva | 12,573 | $68,242 | $140,300 | Compare |
| North Merrick | 12,544 | $156,023 | $644,700 | Compare |
| Ridge | 12,506 | $88,266 | $404,900 | Compare |
| Patchogue | 12,368 | $104,423 | $446,700 | Compare |
| Nesconset | 13,344 | $148,291 | $627,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in New York
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Stony Brook
What is the population of Stony Brook, NY?
The population of Stony Brook, NY is 12,827 according to the latest Census data.
What is the median household income in Stony Brook?
The median household income in Stony Brook, NY is $162,054 per year.
What is the median home value in Stony Brook?
The median home value in Stony Brook, NY is $587,300.
What is the average rent in Stony Brook?
The median monthly rent in Stony Brook, NY is $2,643.
What is the unemployment rate in Stony Brook?
The unemployment rate in Stony Brook, NY is 4.3%.