Port Jefferson ZIP Code List — Suffolk County, NY

There is one unique ZIP code in Port Jefferson, New York and it is 11777. Area code: 631/516.

ZIP codes

4.39

sq mi land

2.10

sq mi water

631/516

area code

Port Jefferson, NY ZIP code map

About Port Jefferson, NY

Port Jefferson is a charming village located in Suffolk County, New York. Known for its picturesque waterfront and vibrant community, the village offers a unique blend of small-town charm and modern amenities. Its proximity to the Long Island Sound makes it a popular destination for both residents and visitors alike.

Location & geography

Port Jefferson is situated on the north shore of Long Island, approximately 10 miles northeast of the bustling city of Smithtown and about 7 miles southwest of the larger town of Riverhead. The village encompasses a total area of 12.99 square miles, with 8.78 square miles of land and 4.21 square miles of water. The stunning coastal terrain features scenic beaches and marinas, providing residents with beautiful views and recreational opportunities.

Community & economy

The character of Port Jefferson is defined by its tight-knit community and thriving local businesses. The village has a rich maritime history, with industries such as shipbuilding and fishing playing significant roles in its development. Daily life in Port Jefferson is vibrant and active, thanks to its assortment of shops, restaurants, and cultural events that attract both locals and tourists.

Transportation

Key highways such as Route 112 and the Long Island Expressway provide convenient access to Port Jefferson from various parts of Long Island. The nearest airports include Long Island MacArthur Airport, located approximately 20 miles west, and Islip Airport. Additionally, Port Jefferson is served by the Long Island Rail Road, allowing for easy commuting to New York City.

History

Port Jefferson was established in the early 19th century and quickly became an important shipping and shipbuilding center on Long Island. Throughout its history, the village has developed a range of industries that include tourism and recreation, with many notable events showcasing its coastal heritage. Today, Port Jefferson celebrates its history through community events and preservation efforts.

Did you know?

One surprising fact about Port Jefferson is that it was once home to a thriving shipbuilding industry that contributed to the maritime economy of Long Island. Additionally, the village is known for its annual Port Jefferson Music Festival, which features a diverse array of musical performances, attracting visitors from across the region.

ZIP codes for Port Jefferson, NY (1)

ZIP code	City	County	Map
11777	Port Jefferson	Suffolk	View map

Demographics & statistics

9,257

Population

45.7

Median age

$136,484

Median household income

$72,677

Per capita income

$640,300

Median home value

$2,142

Median monthly rent

73.3%

Home ownership

5.2%

Poverty rate

3.4%

Unemployment

2,816

Housing units

64.7%

Bachelor's or higher

Age distribution

Male Female

184

Under 5

183

227

5–9

225

324

10–14

322

277

15–19

274

271

20–24

269

551

25–34

547

451

35–44

447

650

45–54

645

364

55–59

362

259

60–64

256

633

65–74

627

319

75–84

316

138

85+

136

← Male

Female →

Age summary

Group	Count	%
Under 18	1,754	18.9%
18 and over	7,503	81.1%
65 and over	2,169	23.4%
Median age	45.7 years

Race & ethnicity

White 78.5%

Hispanic or Latino 6.1%

Asian 5.9%

Two or more races 5.1%

Other race 3%

Black or African American 1.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	7,744	78.5%
Hispanic or Latino	603	6.1%
Asian	583	5.9%
Two or more races	502	5.1%
Other race	292	3%
Black or African American	116	1.2%
American Indian / Alaska Native	20	0.2%

Household income

Under $10k 0.8%

$10k–$15k 1.9%

$15k–$25k 0.7%

$25k–$35k 3.7%

$35k–$50k 5.8%

$50k–$75k 11.5%

$75k–$100k 10.3%

$100k–$150k 20.8%

$150k–$200k 11.0%

$200k+ 33.6%

Range	% of households
Under $10k	0.8%
$10k–$15k	1.9%
$15k–$25k	0.7%
$25k–$35k	3.7%
$35k–$50k	5.8%
$50k–$75k	11.5%
$75k–$100k	10.3%
$100k–$150k	20.8%
$150k–$200k	11.0%
$200k+	33.6%
Median income	$136,484

Housing

Home values

$100k–$150k 0.9%

$300k–$500k 25.8%

$500k–$1M 58.0%

$1M+ 15.3%

Housing overview

Metric	Value
Median home value	$640,300
Median rent / month	$2,142
Owner occupied	73.3%
Renter occupied	26.7%
Vacant	5.5%
Single-family detached	68.2%
Large apartment buildings	4.4%
Mobile homes	0.0%
Median rooms	6.9
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.3%
2010–2019	4.4%
2000–2009	6.7%
1990–1999	12.0%
1980–1989	14.3%
1970–1979	11.6%
1960–1969	17.4%
1950–1959	10.5%
1940–1949	4.6%
1939 or earlier	18.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	13.5%
2 bedrooms	16.7%
3 bedrooms	24.8%
4 bedrooms	30.0%
5+ bedrooms	12.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.0%
1 vehicle	34.4%
2 vehicles	37.3%
3 or more	23.3%

Heating fuel

Fuel type	%
Utility gas	51.3%
Electricity	7.9%
Propane / LP gas	2.1%
Fuel oil	37.7%
Wood	0.4%
Solar	0.3%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,867	52.4%
Cohabiting couple	242	6.8%
Male householder, no spouse	677	19.0%
Female householder, no spouse	775	21.8%
Households with children under 18	809	22.7%
Households with seniors (65+)	1,483	41.6%
Average household size	2.52

Marital status

Status	Male	Female
Never married	37.3%	27.3%
Married	52.3%	50.5%
Separated	1.2%	1.2%
Widowed	1.7%	10.3%
Divorced	7.5%	10.7%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.6%

HS graduate 14.4%

Some college, no degree 10.8%

Associate's degree 6.0%

Bachelor's degree 24.0%

Graduate / professional 40.7%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	64.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	109	5.0%
Kindergarten	20	0.9%
Elementary school	912	41.6%
High school	442	20.2%
College / grad school	709	32.3%

Employment

Industry of employment

Education & healthcare 36.9%

Professional & management 17.5%

Retail trade 7.4%

Public administration 5.8%

Arts, food & hospitality 5.7%

Construction 5.6%

Manufacturing 5.6%

Finance & real estate 5.6%

Other services 3.9%

Transportation & utilities 3.8%

Information 1.2%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	64.5%
Service	11.5%
Sales & office	15.2%
Natural resources & construction	4.5%
Production & transportation	4.3%

Employment type

Type	%
Private sector	71.5%
Government	22.7%
Self-employed	5.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.1%
Carpool	6.1%
Public transit	4.4%
Walk	0.9%
Other means	1.0%
Avg commute (minutes)	30.4

Poverty

All people 5.2%

Under 18 years 2.6%

18 and over 5.8%

Married-couple families 0.8%

Female-led households 4.9%

Income support

Source	% of households
Social Security	36.9%
Retirement income	28.9%
Supplemental Security	3.0%
Cash public assistance	0.8%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
High blood pressure	27.6%
High cholesterol	31.0%
Heart disease	5.1%
Stroke	2.2%
Asthma	8.8%
Arthritis	19.7%
Kidney disease	2.4%
Pulmonary disease	4.6%
Cancer	7.4%

Behavior / access	%
Binge drinking	17.5%
No physical activity	17.4%
Less than 7 hrs sleep	31.1%
Fair or poor health	8.2%
Poor mental health	11.4%
Poor physical health	7.2%
No health insurance	7.4%
Visited doctor (checkup)	79.3%
Visited dentist	75.2%
Cholesterol screening	93.7%
Teeth loss	7.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	267	3.6%

Disability	%
Any disability	10.6%
Under 18	0.6%
18–64 years	6.9%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	81.6%
Public insurance	31.0%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,890	96.0%
Spanish	370	4.2%
Other Indo-European	171	1.9%
Asian & Pacific Islander	87	1.0%
Other languages	99	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,790	84.2%
Born in same state	7,725	83.5%
Born in different state	6,319	68.3%
Foreign born	65	0.7%
Naturalized citizen	1,467	15.8%
Not a US citizen	818	55.8%

Ancestry

Ancestry	Count	%
Italian	1,931	20.9%
French	688	7.4%
Arab	564	6.1%
English	112	1.2%
Polish	85	0.9%

Ancestry	Count	%
Irish	64	0.7%
Norwegian	17	0.2%
Dutch	17	0.2%
German	11	0.1%

Technology access

Metric	% of households
Computer access	38.5%
Internet access	97.4%

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

Frequently asked questions

What is the ZIP code for Port Jefferson, NY?

Port Jefferson, NY has one ZIP code: 11777.

What is the main ZIP code for Port Jefferson, NY?

The primary ZIP code for Port Jefferson, NY is 11777. The city uses area code 631 or 516 for phone service.

What county is Port Jefferson, NY in?

Port Jefferson is located in Suffolk County, New York.

How many ZIP codes are in Port Jefferson, NY?

Port Jefferson, NY has 1 ZIP code.

What ZIP code serves Port Jefferson's downtown waterfront area and village center?

Port Jefferson's downtown waterfront district, including the village center and harbor area, is served by ZIP code 11777.

What is the ZIP code for the Port Jefferson Station area on the Long Island Rail Road line?

The Port Jefferson Station area, which serves as a major transportation hub with LIRR service, is located in ZIP code 11777.