How many bedrooms do homes in Stony Brook, NY have?

Name: Bedrooms in Stony Brook, NY, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

In Stony Brook, NY, 5.3% of homes are studios or one-bedrooms and 85.4% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 36.8% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 5.3%
3 or more bedrooms: 85.4% (±7.6 points)
Most common: 3 bedrooms

Homes in Stony Brook by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Stony Brook	Suffolk County	New York	United States
No bedroom (studio)	0.0% (±0.9 points)	1.6%	5.4%	2.9%
1 bedroom	5.3% (±3.3 points)	8.0%	19.0%	10.9%
2 bedrooms	9.3% (±2.4 points)	17.1%	26.6%	25.0%
3 bedrooms	36.8% (±4.4 points)	37.3%	31.1%	38.7%
4 bedrooms	36.3% (±5.2 points)	26.3%	13.5%	17.5%
5 or more bedrooms	12.3% (±3.3 points)	9.6%	4.4%	4.9%

In Stony Brook, the share of homes with three or more bedrooms is higher than in Suffolk County (73.2%).

It is also higher than in New York (49.0%).

It is higher than the national figure (61.1%).

Homes with 3 or more bedrooms in places near Stony Brook

Nearest places with a published estimate, compared with Stony Brook
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Stony Brook	—	85.4% (±7.6 points)	—
Village of Head of the Harbor	1.9 mi	93.7% (±13.5 points)	Not measurably different
East Setauket	2.0 mi	82.4% (±7.7 points)	Not measurably different
St. James	2.5 mi	71.4% (±6.7 points)	Lower
Town of Smithtown	2.7 mi	82.7% (±3.0 points)	Not measurably different
Setauket	2.9 mi	91.7% (±13.4 points)	Not measurably different
Village of Nissequogue	3.1 mi	96.1% (±12.5 points)	Not measurably different
Port Jefferson Station	3.5 mi	70.8% (±10.4 points)	Lower
Village of Lake Grove	3.5 mi	71.0% (±8.1 points)	Lower

Nearby places with a measurably lower figure: St. James, NY (71.4%), Port Jefferson Station, NY (70.8%), Village of Lake Grove, NY (71.0%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes with 3 or more bedrooms across Suffolk County, place by place

Rank	Place	Homes with 3 or more bedrooms
13	West Hills	88.8% (±11.5 points)
14	Islip Terrace	88.5% (±13.8 points)
15 (tie)	Elwood	86.6% (±11.3 points)
15 (tie)	Halesite	86.6% (±15.4 points)
17	Mastic	86.1% (±9.0 points)
18	Shirley	85.8% (±7.0 points)
19	Stony Brook	85.4% (±7.6 points)
20	Orient	84.8% (±12.7 points)
21	Baywood	84.1% (±12.7 points)
22	Northwest Harbor	83.9% (±11.3 points)
23	Smithtown (community)	83.2% (±6.9 points)
24	Northville (community)	83.0% (±22.8 points)
25 (tie)	Cutchogue	82.6% (±12.3 points)

Showing 13 of 112 places in Suffolk County, ranked from highest to lowest.

Stony Brook is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside the Town of Brookhaven, whose figures include it.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Stony Brook

What is the most common home size in Stony Brook?

The most common size is 3 bedrooms, 36.8% of homes in Stony Brook, NY.

How many studios and one-bedroom homes are in Stony Brook?

5.3% of homes in Stony Brook have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Stony Brook CDP, New York

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Stony Brook CDP, New York (place:71608, in state:36).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.