| City: | Stony Brook, New York |
| Names to Avoid: | Stonybrook, Suny Stony Brook |
| County: | Suffolk County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:40:08 PM |
| Population: | 1,779 [See All] |
| Area Codes: | 631 / 934 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.9118, -73.1230 |
| Land Area: | 0.228 sq mi |
| Quick Link: |
Stony Brook University, a flagship institution of the State University of New York (SUNY) system, operates under dedicated ZIP code 11794 in Suffolk County. Founded in 1957 as a college for training secondary school science and math teachers, the university moved to its current Stony Brook campus in 1962. Nobel laureate C.N. Yang joined the physics faculty in the 1960s, helping establish the university's reputation in research. This unique postal designation has served the campus for over two decades.
The 0.44-square-mile campus encompasses 571 ZIP+4 delivery codes serving 455 named buildings. Mail reaches Academic Advising, Academic Affairs Medicine, various residence halls, and research facilities across the campus. The 2020 Census counted 1,779 residents with a median age of 20.2 years, reflecting the student population. Nearly all residents (1,745) live in non-institutional group quarters, consistent with dormitory housing.
Census ACS data shows 42% of workers in Educational/Healthcare industries and 37% government workers, typical of a public university. Census County Business Patterns reports 57 establishments employing 11,386 workers, making it a major regional employer. Stony Brook serves as the valid mailing city within New York's 1st Congressional District.
| Population: | 1,779 |
| Median Age: | 20.2 |
| Housing Units: | 26 |
| Establishments: | 57 |
| Employment: | 11,386 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 11794 has 1,779 residents and 15 households (average 2.27 persons per household). The median age is 20.2 years, significantly younger than the state (39.0) and significantly younger than the nation (38.8). The gender split is 44.5% male and 55.5% female, which is lower than the national male share (49.1%), making this a female-majority area. Largest groups are Black or African American (34.7%, much higher than the state average of 14.8% and well above the national average of 12.4%) and White (31.5%, much lower than the state average of 55.2% and well below the national average of 61.6%); Hispanic or Latino residents make up 15.9%, which is lower than the state average (19.5%), and Black or African American share is much higher than both the state (14.8%) and national averages (12.4%) and Asian share is much higher than the national average (6.0%).
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 1,779Source: Census DHC |
| 2024 ACS Population Estimate: | 831Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 7,802.6 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 15Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.27Source: Census DHC |
| Average Family Size: | 5.60Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 2,909 | 3,150 | 3,080 | 3,317 | 3,081 | 2,983 | 2,998 | 2,952 | 3,024 | 3,363 | 1,279 | 1,425 | 1,519 | 831 |
| Decennial Census | 3,165 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1,779 | -- | -- | -- | -- |
Median Age: 20.2
Male Median Age: 20.6
Female Median Age: 19.9
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 1 | 1 | 0 | 297 | 274 | 57 | 112 | 25 | 8 | 0 | 15 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Female | 1 | 0 | 0 | 508 | 298 | 117 | 44 | 13 | 0 | 0 | 2 | 1 | 0 | 2 | 1 | 0 | 1 | 0 |
| Total | 2 | 1 | 0 | 805 | 572 | 174 | 156 | 38 | 8 | 0 | 17 | 1 | 0 | 2 | 2 | 0 | 1 | 0 |
| White: | 560 | 28.82% |
| Black: | 617 | 31.76% |
| Hispanic:* | 283 | 14.57% |
| Asian: | 335 | 17.24% |
| American Indian: | 2 | 0.10% |
| Hawaiian: | 0 | 0% |
| Other: | 146 | 7.51% |
| Total: | 1,943 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 791 | 44.46% | 20.6 years |
| Females: | 988 | 55.54% | 19.9 years |
| Total: | 1,779 | 100% | 20.2 years |
| Native, born in the United States: | 725 | 87.24% |
| Native, born in PR, Island Areas, or abroad: | 7 | 0.84% |
| Foreign born, naturalized U.S. citizen: | 47 | 5.66% |
| Foreign born, not a U.S. citizen: | 52 | 11.91% |
| Total Population: | 831 | 100% |
| Total Native Population: | 732 | 88.09% |
| Total Foreign-born Population: | 99 | 11.91% |
In 2024, the Median household income is $0, which is well under the national median ($80,734), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $0 that has widened from 2011 to 2024. The labor-force participation rate is 49.3%, which is considerably lower than the national rate (63.5%). The unemployment rate is 13.9%, which is considerably above the national rate (5.2%). The largest occupation group is Management (31.2%).
Explore More: Income Over Time Household Income Employment Status By Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $10,313 | $10,000 | $20,781 | $20,650 | $0 | $0 | $18,906 | $0 | $20,417 | $18,854 | $12,500 | $12,500 | $0 | $0 |
| Median Female Income | $12,098 | $17,143 | $11,806 | $11,964 | $0 | $0 | $0 | $0 | $0 | $0 | $14,375 | $16,250 | $0 | $0 |
| Employed: | 353 | 42.48% |
| Unemployed: | 57 | 6.86% |
| Not In Labor Force: | 421 | 50.66% |
| Total: | 831 | 100% |
| Management, business, science, and arts: | 110 | 31.16% |
| Service: | 100 | 28.33% |
| Sales and Office: | 102 | 28.90% |
| Natural resources, construction, and maintenance: | 11 | 3.12% |
| Production, transportation, and material moving: | 30 | 8.50% |
| Total Civilian Employed Population: | 353 | 100% |
In 2024, 100.00% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 100.00%, which is comparable to the national rate (89.60%). The uninsured rate is 0.80%, which is far lower than the national rate (8.40%). Public coverage is 20.20%, which is falls below the national rate (36.70%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is college (100.00%). College enrollment is 100.00%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.
Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 0 | 0.00% |
| High school graduate (includes equivalency): | 0 | 0.00% |
| Some college, no degree: | 0 | 0.00% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 3 | 100.00% |
| Total: | 3 | 100% |
| High school or higher: | 3 | 100.00% |
| Bachelor's degree or higher: | 3 | 100.00% |
| Private Insurance: | 686 | 79.67% |
| Public Insurance: | 168 | 19.51% |
| No Insurance: | 7 | 0.81% |
| Total: | 861 | 100% |
| Has Health Insurance: | 854 | 99.19% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 0 | 0.00% |
| College or graduate school: | 828 | 100.00% |
| Total: | 828 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 0 | 0.00% |
ZIP Code 11794 supports both business and residential activity. According to the Business Census (2024), there are 53 business establishments, employing about 11,090 people with an annual payroll of $872,838,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 344Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 53Source: CBP |
| 1st Quarter Payroll: | $209,415,000Source: CBP |
| Annual Payroll: | $872,838,000Source: CBP |
| # of Employees: | 11,090Source: CBP |
ZIP Code 11794 is located in Suffolk County, New York, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New York's 1st Congressional District. This Metro area has a population of 18,897,109 people, about 0.01% of whom live in ZIP Code 11794, and is subdivided into the Nassau County-Suffolk County, NY division. It covers 0.228 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Nassau County-Suffolk County, NY (CBSA Div 35004)Source: Census |
| CBSA Population: | 18,897,109Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | 0.228 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 650.02 sq miSource: Census |
| PMSA: | Nassau-Suffolk, NY PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3671608Source: Census |
| Place Name: | Stony Brook CDP; New YorkSource: Census |
We could not locate which school district 11794 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.