11794 ZIP Code — Stony Brook, NY

Suffolk County, New York

ZIP code 11794 is located in Stony Brook, New York, within Suffolk County. It covers approximately 0.23 square miles and serves a population of 1,425 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11794

The housing stock consists of a mix of housing types.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is high — 90% of residents hold a bachelor's degree or higher, well above the national average of 33%.

1,425

population

0.23

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11794 ZIP code map

Cities in ZIP code 11794

Below are the cities the US Postal Service accepts for ZIP code 11794. Using any city not on this list may result in mail delivery delays.

City	Status
Stony Brook	Acceptable
Stony Brook	Preferred

Nearby ZIP codes

11790 Stony Brook (0.4 mi) 11733 East Setauket (1.4 mi) 11780 Saint James (3.3 mi) 11720 Centereach (3.5 mi) 11755 Lake Grove (3.7 mi) 11777 Port Jefferson (4.1 mi) 11776 Port Jefferson Station (4.2 mi) 11767 Nesconset (4.8 mi) 11784 Selden (5.4 mi) 11787 Smithtown (5.7 mi) 11766 Mount Sinai (6.1 mi) 11727 Coram (6.6 mi)

Demographics updated 06/2026

Population
Total population	1,425
Population density	6,196 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	0.23 sq mi
Water area	0.00 sq mi
Latitude	40.9118
Longitude	-73.1230
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Demographics & statistics

1,425

Population

6,196

People per sq mi

19.6

Median age

Median household income

$4,246

Per capita income

Median home value

Median monthly rent

0.0%

Home ownership

0.0%

Poverty rate

16.2%

Unemployment

Housing units

89.5%

Bachelor's or higher

Age distribution

Male Female

464

15–19

431

245

20–24

228

25–34

45–54

← Male

Female →

Age summary

Group	Count	%
Under 18	38	2.7%
18 and over	1,387	97.3%
65 and over	0	0.0%
Median age	19.6 years

Race & ethnicity

Asian 42.8%

White 22.3%

Black or African American 12.2%

Two or more races 11.1%

Hispanic or Latino 8.4%

Other race 3.1%

American Indian / Alaska Native 0.3%

Group	Count	%
Asian	665	42.8%
White	346	22.3%
Black or African American	189	12.2%
Two or more races	172	11.1%
Hispanic or Latino	130	8.4%
Other race	48	3.1%
American Indian / Alaska Native	5	0.3%

Household income

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	0.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	0.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	0.0
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	0.0%
3 bedrooms	0.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	0.0%
3 or more	0.0%

Heating fuel

Fuel type	%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	0.00

Marital status

Status	Male	Female
Never married	98.2%	99.9%
Married	0.8%	0.1%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.9%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 0.0%

Some college, no degree 8.8%

Associate's degree 1.8%

Bachelor's degree 77.2%

Graduate / professional 12.3%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	89.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	1,416	100.0%

Employment

Industry of employment

Education & healthcare 59.1%

Arts, food & hospitality 18.5%

Retail trade 12.6%

Transportation & utilities 3.2%

Information 2.3%

Professional & management 1.5%

Public administration 1.5%

Other services 1.3%

Occupation

Category	%
Management, business & arts	39.6%
Service	18.9%
Sales & office	31.5%
Natural resources & construction	5.7%
Production & transportation	4.3%

Employment type

Type	%
Private sector	57.9%
Government	40.6%
Self-employed	1.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	14.8%
Carpool	2.2%
Public transit	24.5%
Walk	53.1%
Work from home	5.5%
Other means	0.0%
Avg commute (minutes)	19.6

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	0.0%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	13.8%
High blood pressure	6.1%
High cholesterol	7.4%
Diabetes	0.8%
Heart disease	0.5%
Stroke	0.3%
Asthma	9.3%
Arthritis	2.0%
Kidney disease	0.5%
Pulmonary disease	1.0%
Cancer	0.5%

Behavior / access	%
Smoking	6.3%
Binge drinking	25.0%
No physical activity	13.8%
Less than 7 hrs sleep	31.4%
Depression	16.7%
Fair or poor health	3.8%
Poor mental health	17.1%
Poor physical health	2.9%
No health insurance	10.8%
Visited doctor (checkup)	71.6%
Visited dentist	73.5%
Cholesterol screening	77.5%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	7.4%
Under 18	0.0%
18–64 years	7.6%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	80.8%
Public insurance	22.6%
No insurance	1.0%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,425	100.0%
Spanish	120	8.4%
Other Indo-European	7	0.5%
Asian & Pacific Islander	0	0.0%
Other languages	113	7.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,125	78.9%
Born in same state	1,080	75.8%
Born in different state	942	66.1%
Foreign born	45	3.2%
Naturalized citizen	300	21.1%
Not a US citizen	85	28.3%

Ancestry

Ancestry	Count	%
Italian	88	6.2%
Arab	12	0.8%

Ancestry	Count	%
French	11	0.8%
German	2	0.1%

Technology access

Metric	% of households
Computer access	0.0%
Internet access	0.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 11794

What city is ZIP code 11794 in?

ZIP code 11794 is primarily assigned to Stony Brook, New York.

What county is ZIP code 11794 in?

ZIP code 11794 falls within Suffolk County, New York.

How educated is the population of ZIP code 11794?

90% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 11794?

ZIP code 11794 has an estimated population of 1,425 residents, with a density of 6,250 people per square mile.

What timezone is ZIP code 11794 in?

ZIP code 11794 observes the EST timezone.