12,868people live here$174,872median household income$3,500+median rent per month$623,300median home value

The Census tops out at $3,500+ for rent; it doesn't publish exact figures above that.

Stony Brook is an unincorporated community in Suffolk County, NY. It has no city government: the county runs it, and the Census counts it as its own place.

About

Life in Stony Brook

Stony Brook is a community of 12,827 people in New York. The median household income is $174,872, median rent runs about $3,501 per month, and median home values are around $623,300. Unemployment is low at 3.4%, suggesting a relatively healthy local job market.

Stony Brook at a Glance

Population, income, housing and more

Median Age

44.9 yrs

Poverty Rate

6.5%

Foreign-Born

17.1%

Broadband Internet

96.0%

of households

Population Growth

+3.2%

recent change · Census Bureau

Median household income

Stony Brook$174,872
New York avg$85,974
US$80,734

Demographics17.1% foreign-born, most often from China, excluding Hong Kong and Taiwan

Who lives in Stony Brook: race and ethnicity, ages, households, languages and countries of origin

In Stony Brook, the largest foreign-born group is from China, excluding Hong Kong and Taiwan (41.1%), and 11.0% of residents speak Chinese at home.

Under 18

19.4%

of residents

65 and Older

22.3%

of residents

Households with Kids

29.5%

anyone under 18

Living Alone

15.8%

of households

Married Couples

67.8%

of households

Avg Household Size

2.85

people

Race & Ethnicity

White73.7%
Asian15.1%
Hispanic or Latino7.0%
Black2.5%
Two or more races1.3%

Hispanic or Latino of any race; other groups are non-Hispanic

Top countries of origin (foreign-born)

China41.1%
Spain4.7%
Taiwan4.3%
Russia3.9%
Mexico3.5%
Japan3.5%
Korea3.2%
Germany2.9%
Vietnam2.9%
India2.7%

Languages Spoken at Home

English only77.8%
Chinese11.0%
Spanish3.6%
Other Indo-European1.8%
Other Asian/Pacific1.3%
Russian/Slavic1.2%
German/Germanic1.0%
Korean0.8%

Cost of Livingrent 116% above NY average

Rent, home values, and income in Stony Brook

In Stony Brook, rent runs 116% above the NY average, and home values are 47% above the NY average.

Median rent (per month)

Stony Brook$3,500+
New York avg$1,621
US$1,413

Median home value

Stony Brook$623,300
New York avg$423,800
US$332,700

Rent Burdened

59.9%

spending 30%+ of income on rent

Severely Rent Burdened

9.7%

spending 50%+

Cost of Living Index

112.6

metro area (BEA) · US avg = 100

Homeowners

90.8%

of occupied homes are owned

Typical Home Built

1965

median year built

Vacant Homes

9.4%

of housing units

Home Value Trend

$600,126
$791,422
202120222023202420252026

Latest: $791,422 (September 2026)

Jobs & Economyunemployment 0.8 pts below NY average

Unemployment in Stony Brook and typical pay across the metro area

Unemployment in Suffolk County, which includes Stony Brook, is 0.8 percentage points lower than the NY average.

Unemployment rate

Stony Brook3.5%
New York avg4.3%
US4.3%

Stony Brook: Suffolk County rate (county-wide) · BLS annual average

Unemployment Rate — 10 Year Trend

4.5%
4.5%
3.9%
3.6%
8.3%
4.7%
3.2%
3.3%
3.4%
3.5%
2016201720182019202020212022202320242025

Suffolk County (county-wide) · Annual averages

Stony Brook is less than 1% of Suffolk County’s population, so county-wide figures may differ from local conditions.

What Stony Brook Residents Do for Work · share of employed residents by industry

Education & health care40.0%
Professional & business services16.2%
Retail7.8%
Finance & real estate7.0%
Arts, hospitality & food service5.9%
Public administration4.7%
Manufacturing4.3%
Transportation & utilities2.9%

City residents, wherever they work

Median Salary by Occupation · metro area

Management$165,760
Computer & Math$126,960
Healthcare$101,090
Business & Finance$100,940
Education$76,250
Office & Admin$50,760
Sales$46,160
Transportation$44,800

New York-Newark-Jersey City, NY-NJ-PA metro area

Commute29.7 min avg

How Stony Brook residents get to work, and the nearest airports

In Stony Brook, most residents drive alone to work (71%), and 57% get there in under 30 minutes.

How People Get to Work

Drive alone70.9%
Carpool4.7%
Public transit2.0%
Walk1.3%
Work from home19.7%
Other1.5%

Commute Time Distribution

Under 15 min25.4%
15–29 min31.3%
30–44 min20.5%
45–59 min8.6%
60+ min14.2%

Nearest airports · with airline service

  • Long Island MacArthur Airport (ISP)

    Small hub790k passengers boarded in 2025

    9 mi
  • John F. Kennedy International Airport (JFK)

    Major hub30.8M passengers boarded in 2025

    39 mi

Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.

Safetyviolent crime 88% below national average

Crime rates for 2023

Older dataThe latest complete year reported to the FBI is 2023. It's compared with the national rate for 2023.

Violent crime in the area policed by the Suffolk County Police Department, which covers Stony Brook, runs 88% below the national average.

Violent Crime Rate

47.6

per 100,000 residents

Below average (386 national, 2023)

Property Crime Rate

566.7

per 100,000 residents

Below average (1,951 national, 2023)

Policed by Suffolk County Police Department (county-wide rate)

Natural DisastersHigh Wind most common — 19 events in 2025

Natural hazard risk, storms and earthquakes

FEMA National Risk Index

Relatively High

97.3 / 100

Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).

Coastal flooding · Very HighIce storm · Very HighLightning · Very HighWinter weather · Very HighCold wave · High

Suffolk County, county-wide · FEMA NRI December 2025

In Suffolk County, which includes Stony Brook, the most common type is high wind, with 19 recorded events in 2025.

Most common events:

High WindThunderstorm WindWinter WeatherStrong WindFlash Flood

Storm events by year

YearEventsTop TypeProperty Damage
202519High Wind$17,500
202421High Wind$10.7M
20238Flash Flood$51,000
202223Thunderstorm Wind$205,800
202125High Wind$5.4M
202028High Wind$2.6M
201937Thunderstorm Wind$1.8M
201842Winter Weather$932,750

Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.

0 earthquakes of magnitude 2.5+ within 100 miles in the past year

Suffolk County, county-wide

Stony Brook is less than 1% of Suffolk County’s population, so county-wide figures may differ from local conditions.

Air Quality41 median AQI — Good

Days by air quality category (2025)

Air quality in Suffolk County, which includes Stony Brook, is typically good — 265 good-air days per year.

Median AQI

41

Good Days

265

per year

Moderate Days

95

per year

Unhealthy Days

2

per year

Suffolk County, county-wide

Stony Brook is less than 1% of Suffolk County’s population, so county-wide figures may differ from local conditions.

Climate81°F summers, 29°F winters

30-year climate averages (1991–2020) — monthly temperatures and precipitation

Stony Brook has warm summers (avg high 81°F) and cold winters (avg low 29°F).

Spring (Mar–May)

62°/42°F

avg high / low

Summer (Jun–Aug)

81°/65°F

avg high / low

Fall (Sep–Nov)

65°/50°F

avg high / low

Winter (Dec–Feb)

43°/29°F

avg high / low

Annual Precipitation

48.5"

Annual Snowfall

31.8"

Hot Days/Year

17

days above 90°F

Freeze Days/Year

96

days below 32°F

Rainy Days/Year

122

Average month

High °FLow °FPrecip (in)
10°30°50°70°90°5"Jan: 3.71" precipitationFeb: 3.20" precipitationMar: 4.65" precipitationApr: 4.42" precipitationMay: 3.89" precipitationJun: 3.93" precipitationJul: 3.88" precipitationAug: 4.02" precipitationSep: 4.30" precipitationOct: 4.24" precipitationNov: 3.70" precipitationDec: 4.56" precipitation26°JJan: high 41°F, low 26°FFFeb: high 43°F, low 28°FMMar: high 50°F, low 33°FAApr: high 64°F, low 43°FMMay: high 72°F, low 51°FJJun: high 78°F, low 61°F83°JJul: high 83°F, low 68°FAAug: high 82°F, low 67°FSSep: high 75°F, low 61°FOOct: high 65°F, low 49°FNNov: high 56°F, low 40°FDDec: high 46°F, low 32°F
Show month-by-month table ↓
MonthHighLowPrecip
Jan41°F26°F3.71"
Feb43°F28°F3.20"
Mar50°F33°F4.65"
Apr64°F43°F4.42"
May72°F51°F3.89"
Jun78°F61°F3.93"
Jul83°F68°F3.88"
Aug82°F67°F4.02"
Sep75°F61°F4.30"
Oct65°F49°F4.24"
Nov56°F40°F3.70"
Dec46°F32°F4.56"

Healthcare1 hospital, avg 5.0/5

Hospitals, ratings, and health insurance in Stony Brook

Stony Brook has 1 hospital, averaging 5.0 out of 5 on CMS's quality rating — above-average care.

Hospitals

1

within city limits

Uninsured

1.5%

of residents

Avg Hospital Rating

5.0 / 5

Suny/stony Brook University Hospital

Acute Care Hospitals · ER available

Nearby hospitals · within 15 miles

St Charles Hospital

Acute Care Hospitals · ER available · 4.5 mi away · Port Jefferson

John T Mather Memorial Hospital of Port Jefferson

Acute Care Hospitals · ER available · 4.7 mi away · Port Jefferson

St Catherine of Siena Hospital

Acute Care Hospitals · ER available · 5.9 mi away · Smithtown

Adult Health · vs. the typical US place

Obesity24.9%US 36.8%
Diabetes8.5%US 12.6%
High blood pressure30.1%US 37.1%
Current smoking6.6%US 15.0%
No leisure-time physical activity18.5%US 26.6%
Depression15.3%US 23.0%
Asthma9.6%US 10.7%
Routine checkup in past year83.0%US 78.2%

Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.

Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.

Education11.4:1 student/teacher ratio

Schools and degree attainment in Stony Brook

Stony Brook's student/teacher ratio is 11.4:1 (lower than the national average of 16:1), and 68.3% of adults 25+ hold a bachelor's degree or higher.

Public Schools

2

within city limits

Private Schools

2

within city limits

College Degree Rate

68.3%

adults 25+ with bachelor's or higher

Student/Teacher Ratio

11.4:1

National avg 16:1

Schools located within city limits (2023) — school-level metrics change slowly year to year

Colleges Near Stony Brook (within 15 miles)

Suffolk County Community College

6.9 mi away

Public · 2-year · 14,218 students · in-state tuition $7,340 · 36% graduate · median earnings $54,024 (10 yrs after entry)

Five Towns College

15 mi away

Private for-profit · 4-year · 547 students · in-state tuition $31,100 · 44% graduate · median earnings $46,311 (10 yrs after entry)

Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)

Parks & Recreationclosest: Fire Island National Seashore, 17 mi

Nearby national parks, recreation areas and public libraries for Stony Brook

Stony Brook has 8 nearby national parks or recreation areas, closest being Fire Island National Seashore (17 mi away).

Nearby National Parks & Recreation Areas

Fire Island National Seashore

National Seashore

17 mi away

Sagamore Hill National Historic Site

National Historic Site

19 mi away

Weir Farm National Historical Park

National Historical Park

28 mi away

Saint Paul's Church National Historic Site

National Historic Site

36 mi away

Hamilton Grange National Memorial

National Memorial

43 mi away

General Grant National Memorial

National Memorial

44 mi away

Theodore Roosevelt Birthplace National Historic Site

National Historic Site

46 mi away

African Burial Ground National Monument

National Monument

47 mi away

Cities Near Stony Brook

The closest cities within 60 miles

Planning a move to Stony Brook?

Read our full moving guide — what it's really like to live here.

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Stony Brook FAQ

Is Stony Brook, New York affordable?⌄

Stony Brook's median rent is $3,500+/month, which is significantly above the national average. The median household income is $174,872/year. Median home value is $623,300.

Is Stony Brook, New York safe?⌄

Stony Brook is policed by the Suffolk County Police Department, whose violent crime rate across its service area was 48 per 100,000 residents in 2023, which is well below the national average — one of the safer cities in the country of 386/100k that year. Property crime rate is 567 per 100,000. As with any city, crime rates vary by neighborhood.

What is the job market like in Stony Brook, New York?⌄

Suffolk County, which includes Stony Brook, has an unemployment rate of 3.5%, which is solid, slightly below the national average of 4.3%.

What is the cost of living in Stony Brook, New York?⌄

The cost of living in Stony Brook is primarily driven by housing. Median rent is $3,500+/month and median household income is $174,872/year. The median home value is $623,300. About 60% of renters spend more than 30% of their income on housing.

How is the commute in Stony Brook, New York?⌄

The average commute in Stony Brook is 30 minutes, which is about average compared to the national average of 26 minutes.

Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from