The Town Files

Stony Brook University, New York

Community in Suffolk County · population 10,409 (2020 Census)

Map: where Stony Brook University is in New YorkStony Brook University
Jan low / Jul high
26° / 83°
Snow a year
32 in
Tornadoes ≤10 mi since 1950
5
Median age
19.8

Stony Brook University is a community of 10,409 people in Suffolk County, New York. It ranks more of a college town than 99% of New York towns, better transit than 99% of New York towns, more vibrant than 92% of New York towns.

Stony Brook University in our rankings:

How Stony Brook University ranks

Percentile among New York towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New York towns.

Stony Brook University lifestyle rankings vs other New York townsRetirement10th pctFamilies5th pctQuiet16th pctWalkability78th pctFirst-time buyers51st pctYoung professionals56th pctVibrancy92nd pctHip & trendy7th pctCollege town99th pctUpscale38th pctVacation homesbottomSeaside characterbottomCycling92nd pctTransit99th pctDrivingbottomtypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

HousingStony Brook UniversityTypical New York town
Median home value—$217,700
Median rent—$1,080
Median household income—$80,740
Home value ÷ income—×2.8×
Homeownership—79.5%
Median year built—1965
Seasonal / vacation homes——

Who lives in Stony Brook University

PeopleStony Brook UniversityTypical New York town
Median age19.843.5
Age 65 and over3.0%20.4%
Under 183.1%—
Bachelor's degree or higher57.7%30.4%
Below the poverty line—9.3%
Veterans2.4%—
Born outside the U.S.18.1%—
Work from home5.0%11.1%
Average commute16.2 min26.0 min
Homes with broadband—91.1%

Weather in Stony Brook University

July highs average 83.1°F and January lows 26.3°F. About 48.5 inches of rain and melted snow fall a year, with 31.8 inches of snow (typical New York town: 62.9 in). Expect about 9 days a year at 90°F or hotter and 79 nights at or below freezing.

Stony Brook University monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing41°26°Jan43°28°Feb50°33°Mar64°43°Apr72°51°May78°61°Jun83°68°Jul82°67°Aug75°61°Sep65°49°Oct56°40°Nov46°32°DecPrecipitation (in) · snow (in) in blue3.710.33.29.44.76.54.40.63.93.93.94.04.34.23.70.54.64.5
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Mt Sinai station (5.6 mi away); snow from Islip Li Macarthur Ap (8.1 mi).

Tornadoes, storms and disasters

5 tornadoes have passed within 10 miles of Stony Brook University since 1950, compared with 5 for the typical New York town. The strongest, an F1, struck on June 30, 1998 about 6.0 miles from the town center. The most recent was on October 2, 2018.

Tornadoes within 10 miles of Stony Brook University by decade01950s01960s01970s01980s31990s02000s22010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 21 times; the largest was 1.75 inches on August 4, 2015.

Severe weather in Suffolk County since 1996

Storm events in Suffolk County since 1996 by typeHail94Drought32Blizzard42High Wind254Lightning37Heavy Snow161Flash Flood234Strong Wind123
NOAA Storm Events Database, Suffolk County, 1996–2026 (all event types recorded since 1996). 63 deaths recorded.

Suffolk County has been included in 36 federal disaster or emergency declarations since 1953, most often for fire, flood, other.

DeclaredIncidentDeclaration
October 21, 2024Severe StormDR-4839: Severe Storm And Flooding
August 25, 2024Severe StormEM-3613: Severe Storm And Flooding
March 15, 2023SnowstormDR-4694: Severe Winter Storm And Snowstorm
September 5, 2021HurricaneDR-4615: Remnants Of Hurricane Ida
September 2, 2021HurricaneEM-3572: Remnants Of Hurricane Ida

Jobs and pay in Suffolk County

Suffolk County had 679,594 jobs in 2024, paying an average of $79,121 a year. Unemployment was 3.4% in 2023; in Stony Brook University itself the ACS puts it at 9.3%.

Largest industries in Suffolk CountyHealth care & social assistan…101,618 jobs · $74,532Retail73,514 jobs · $49,088Hotels & restaurants55,158 jobs · $34,481Manufacturing50,905 jobs · $86,925Administrative & support48,759 jobs · $67,574Construction47,437 jobs · $88,821
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Suffolk County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Suffolk 3.4%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Stony Brook University

Stony Brook University questions

Is Stony Brook University, New York a good place to retire?

On The Town Files lifestyle rankings, Stony Brook University scores better for retirees than 10% of New York towns and quieter than 16%. 3.0% of residents are 65 or older (median age 19.8).

What is the weather like in Stony Brook University?

July highs average 83.1°F and January lows 26.3°F (NOAA 1991–2020 normals). It gets about 48.5 inches of precipitation a year and 31.8 inches of snow.

Does Stony Brook University get tornadoes?

5 tornadoes have passed within 10 miles of Stony Brook University since 1950 (NOAA Storm Events); the strongest was a F1 on June 30, 1998. The typical New York town has had 5.

How this page is made. Every number comes from public data, matched to Stony Brook University's Census boundary (GEOID 3671620). Comparisons use the median of New York towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.