Stony Brook, NY · Houses & Market Data

Stony Brook, New York houses and real estate market data.

Houses in Stony Brook, NY (Suffolk County) — Census median home value $587,300, county listing prices up about 1.9% over the past year. Market data for Stony Brook houses and the broader area.

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Stony Brook, NY is in Suffolk County, New York — this guide covers houses in Stony Brook and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 12,827, with a median household income of $162,054. Census data puts Stony Brook houses at a median value of $587,300 (all owner-occupied homes); Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.

Info from government sites and builders may have provided source info.

Market overview

Stony Brook housing market

Stony Brook is in Suffolk County, New York. Manifest Census and county price-trend data provide baseline context for houses in Stony Brook and the surrounding county market.

Median home value (Census ACS)

$587,300

Population (Census ACS)

12,827

Median household income

$162,054

County price trend (2025)

5.42% YoY

Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.

At a glance

Stony Brook market snapshot

Population

12,827

County

Suffolk County

Median Household Income

$162,054

Median Home Value (city)

$587,300

Median Listing Price (Suffolk County)

$937,000

Median Gross Rent

$2,643/mo

Price Trend (YoY)

+1.9%

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

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Why Stony Brook

What makes Stony Brook different

Home Value, By Source

The Census Bureau's American Community Survey (2023 5-year estimate) puts Stony Brook's median home value — across all owner-occupied homes, not just recent sales — at $587,300. Separately, Suffolk County's current median listing price (via Realtor.com data, 2026-06-01) runs $937,000. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.

County Price Trend

Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.

Population & Income

Stony Brook has an estimated population of 12,827 and a median household income of $162,054, per the Census Bureau's American Community Survey (2023 5-year estimate).

Affordability Snapshot

Stony Brook's Census-reported median home value works out to about 3.6x the area's median household income, and median gross rent runs roughly 20% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.

Nearby

Places around Stony Brook

County guide: Suffolk County — cities, market context, and local resources for the county that includes Stony Brook.

USAHouses.com also helps visitors looking in nearby Suffolk County and other New York communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.

Nearby communities include Stony Brook University, Head of the Harbor, East Setauket, St. James, Setauket, Nissequogue, Port Jefferson Station, Lake Grove, Centereach, Poquott, Old Field, Terryville, Nesconset, Port Jefferson, Village of the Branch, Belle Terre.

More New York cities with market guides: Yonkers, Syracuse, Albany, New Rochelle, Cheektowaga, Mount Vernon, Schenectady, Utica.

Adjacent-county Census places with USAHouses.com pages: Laurel Hollow (~18.6 mi), Woodbury (~19.0 mi), Cove Neck (~19.4 mi), Oyster Bay Cove (~20.0 mi), Plainview (~20.1 mi), Old Bethpage (~20.4 mi), Syosset (~20.6 mi), Centre Island (~20.6 mi), Farmingdale (~20.6 mi), Oyster Bay (~21.3 mi), East Norwich (~21.4 mi), South Farmingdale (~21.4 mi), Bethpage (~21.7 mi), Muttontown (~22.1 mi), Plainedge (~22.3 mi), Mill Neck (~22.6 mi).

New construction: New homes near Stony Brook (New York City) · New York new construction.

ZIP codes

ZIP codes for Stony Brook

See all ZIP codes in Suffolk County →

Census & home facts

Stony Brook data from published sources

Population (ACS 2023)

12,827

Median home value (ACS 2023)

$587,300

Median household income (ACS 2023)

$162,054

Median gross rent (ACS 2023)

$2,643

County FHFA annual change (2025)

5.42%

County median listing price (FRED/Realtor.com) (2026-06-01)

$937,000

Census place type

CDP

County

Suffolk County

Land area (Census Gazetteer 2024)

5.82 sq mi

Census GEOID

3671608

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

Local life

Life in Stony Brook

Schools

BRENTWOOD UNION FREE SCHOOL DISTRICT — 17 schools, 18,323 students enrolled, per the U.S. Department of Education's Common Core of Data. Suffolk addresses may be served by BRENTWOOD UNION FREE SCHOOL DISTRICT, but attendance zones vary by street — confirm assigned schools with the district before making a move.

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Common questions

Stony Brook FAQ

What are houses worth in Stony Brook, NY?

The Census Bureau's American Community Survey puts the median value of houses in Stony Brook at $587,300. Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.

How much do houses cost in Stony Brook, NY?

For owner-occupied houses in Stony Brook, Census ACS data shows a median value of $587,300. Active listing prices in Suffolk County may differ — see the market snapshot above.

What types of houses are in Stony Brook, NY?

Stony Brook houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Suffolk County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.

What is the population of Stony Brook, NY?

The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Stony Brook's population at approximately 12,827.

What's the median rent in Stony Brook, NY?

The Census ACS estimates median gross rent in Stony Brook at approximately $2,643 per month.

What is the median household income in Stony Brook, NY?

Census ACS data puts the median household income in Stony Brook at approximately $162,054.

Is the Stony Brook housing market growing?

Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.

Is Stony Brook, NY affordable relative to income?

Census ACS data puts Stony Brook's median home value at about 3.6 times the median household income, with median gross rent equal to roughly 20% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.

What school district serves Stony Brook, NY?

Manifest and public school-directory data suggest BRENTWOOD UNION FREE SCHOOL DISTRICT for many Stony Brook addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.

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