Postal Codes

11790 ZIP Code

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ZIP code 11790 covers Stony Brook, New York, with a population of about 19,934 and a median household income of $157,695.

Population
19,9342,733 per square mile
Median age
2315.7 points below the US average
Median household income
$157,6951.9× the New York median
Poverty rate
4.7%7.7 points below the US average
Typical home value
$797,463up 32.6% in five years
Median rent
$2,6521.7× the New York median
Degree or higher
69.1%34.1 points above the US average
Homeownership
89.6%24.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
485

Where 11790 is

Stony Brook, New York — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population19,934
Median age23
Family households75.5%
Born outside the US18.2%
Speaks a language other than English at home32.3%
White (non-Hispanic)60%
Black (non-Hispanic)4.5%
Asian (non-Hispanic)25.4%
Hispanic or Latino8.7%
Veterans1.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$157,695
Income per person$48,130
Poverty rate4.7%
Households on SNAP or cash assistance2.7%

Household income distribution

Under $10k1.1%
$10–15k1.7%
$15–20k0.4%
$20–25k3.9%
$25–30k0.3%
$30–35k1.2%
$35–40k0.4%
$40–45k3.1%
$45–50k0.8%
$50–60k2.3%
$60–75k1.8%
$75–100k9.5%
$100–125k10.0%
$125–150k9.9%
$150–200k15.8%
$200k or more37.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,020
Mean adjusted gross income$151,633
Returns declaring $200,000 or more21.4%
Returns, under $25k22.5%
Returns, $25k–$50k14.0%
Returns, $50k–$75k10.4%
Returns, $75k–$100k8.4%
Returns, $100k–$200k23.4%
Returns, $200k or more21.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$590,000
Median gross rent$2,652
Rent as a share of household income38.6%
Owner-occupied89.6%
Vacant homes7.3%
Median year built1965

What the homes are

Detached house90.5%
Attached house5.8%
2 to 4 units1.5%
5 to 19 units1.6%
Mobile home0.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$797,463as of 2026-07
Typical home value, 1 yearup 8.6%
Typical home value, 5 yearsup 32.6%
Typical home value, 10 yearsup 73.8%
Typical home value since 2000
200020132026$797,463$254,134

$254,134 in 2000 to $797,463 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.1%
Bachelor's degree or higher69.1%
High school diploma or higher98.3%
Works from home13.7%
Drives to work alone58.6%
Takes public transport6.6%
Commutes 45 minutes or more19.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity23.6% 9.8 pts below the national average of 33.4%
Diagnosed diabetes5.5% 6.5 pts below the national average of 12%
Currently smokes6.2% 7 pts below the national average of 13.2%
High blood pressure21.7% 12.4 pts below the national average of 34.1%
Fair or poor general health10.7% 9.6 pts below the national average of 20.3%
No health insurance (18–64)5.1% 6.2 pts below the national average of 11.3%
Depression16.2% 5.7 pts below the national average of 21.9%
No leisure-time physical activity18.1% 7.3 pts below the national average of 25.4%
Arthritis15.2% 9.9 pts below the national average of 25.1%
Binge drinking18.4% 2.4 pts above the national average of 16%
Taking blood pressure medication67.7% 7 pts below the national average of 74.7%
Cancer (non-skin)6% 1.7 pts below the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease3.3% 2.9 pts below the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening85.9% same as the national average of 85.9%
Cognitive disability11.7% 3.1 pts below the national average of 14.8%
Colorectal screening71.2% 6.9 pts above the national average of 64.3%
COPD3% 3.6 pts below the national average of 6.6%
Visited a dentist69.3% 8 pts above the national average of 61.3%
Any disability21.7% 9 pts below the national average of 30.7%
Lacks emotional support26.1% 1.3 pts above the national average of 24.8%
Food insecurity11.3% 5.8 pts below the national average of 17.1%
Received food stamps7% 7.3 pts below the national average of 14.3%
Hearing disability3.5% 3.2 pts below the national average of 6.7%
High cholesterol30.5% 5.7 pts below the national average of 36.2%
Housing insecurity10.1% 3.7 pts below the national average of 13.8%
Independent living disability5.5% 2.9 pts below the national average of 8.4%
Lacks transport7.1% 2.1 pts below the national average of 9.2%
Loneliness34.7% same as the national average of 34.4%
Mammography use80% 4.1 pts above the national average of 75.9%
Poor mental health (14+ days)16.2% 0.6 pts below the national average of 16.8%
Mobility disability6.5% 7.5 pts below the national average of 14%
Poor physical health (14+ days)8.3% 5.2 pts below the national average of 13.5%
Self-care disability1.7% 2.3 pts below the national average of 4%
Utility shut-off threat5.1% 3.7 pts below the national average of 8.8%
Sleeps under 7 hours38.4% 2 pts above the national average of 36.4%
Stroke1.7% 1.7 pts below the national average of 3.4%
All natural teeth lost6.1% 6.9 pts below the national average of 13%
Vision disability2.8% 2.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments485
People employed5,330
Annual payroll$433,488,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 21.9% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 9 census tracts this ZIP code covers
Expected annual loss31.4 out of 100
Community resilience90.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane74.8Relatively Moderate at its worst in this ZIP code
Landslide65.2Relatively Low at its worst in this ZIP code
Winter weather61.6Relatively High at its worst in this ZIP code
Earthquake60.8Relatively Moderate at its worst in this ZIP code
Ice storm56.8Relatively Moderate at its worst in this ZIP code
Strong wind44.5Relatively Moderate at its worst in this ZIP code
Cold wave38.8Relatively Moderate at its worst in this ZIP code
Lightning36.1Relatively Moderate at its worst in this ZIP code
Coastal flooding32.5Relatively High at its worst in this ZIP code
Wildfire29.9Very Low at its worst in this ZIP code
River flooding27.5Relatively Low at its worst in this ZIP code
Heat wave25Relatively Moderate at its worst in this ZIP code
Tornado21.8Relatively Low at its worst in this ZIP code
Hail11.5Very Low at its worst in this ZIP code
Compared with New York and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew YorkUnited States
Median household income$157,695$84,578$78,538
Income per person$48,130$49,520$43,289
Poverty rate4.7%13.7%12.4%
Median home value$590,000$403,000$303,400
Median gross rent$2,652$1,576$1,348
Homeownership89.6%54.3%65%
Bachelor's degree or higher69.1%39.6%35%
Unemployment rate7.1%6.2%5.2%
Works from home13.7%13.3%13.5%
Born outside the US18.2%22.6%13.9%
Median age2339.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSETAUKET STRONG, NY US6.1 km away

Average high and low by month

January39.6°F / 25.9°F
February41.2°F / 25.9°F
March48.4°F / 31.8°F
April59.7°F / 40.6°F
May69.4°F / 49.6°F
June77.9°F / 59.9°F
July83°F / 65.9°F
August82.3°F / 65°F
September75.3°F / 59.5°F
October63.7°F / 48.6°F
November53.3°F / 39.3°F
December44.6°F / 31.1°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket97% of this ZIP code's area
No vehicle and far from a supermarket36% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Three Village Central School District98.3% of this ZIP code's land area
Middle Country Central School District1.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability9more vulnerable than 9% of US census tracts
Socioeconomic status6more vulnerable than 6% of US census tracts
Household characteristics28more vulnerable than 28% of US census tracts
Racial and ethnic minority status42more vulnerable than 42% of US census tracts
Housing type and transport17more vulnerable than 17% of US census tracts
Walkability7.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

11794 Stony Brook, NY2.4 km away
11780 Saint James, NY3.9 km away
11733 East Setauket, NY4.2 km away
11720 Centereach, NY5.6 km away
11755 Lake Grove, NY5.6 km away
11776 Port Jefferson Station, NY6.9 km away
11767 Nesconset, NY7 km away
11777 Port Jefferson, NY7.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Suffolk County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.29 sq mi
Water area0.43 sq mi
Population density2,733 people per sq mi
Latitude, longitude40.9068, -73.1277

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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