11963 ZIP Code — Sag Harbor, NY

Suffolk County, New York

ZIP code 11963 is located in Sag Harbor, New York, within Suffolk County. It covers approximately 14.53 square miles and serves a population of 8,445 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11963

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $1,058,900. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($111,129) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11963 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

8,445

population

14.53

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11963 ZIP code map

Cities in ZIP code 11963

Below are the cities the US Postal Service accepts for ZIP code 11963. Using any city not on this list may result in mail delivery delays.

City	Status
Sag Harbor	Acceptable
Sag Harbor	Preferred

Nearby ZIP codes

11976 Water Mill (3.1 mi) 11968 Southampton (6.8 mi) 11971 Southold (8.5 mi) 11935 Cutchogue (9 mi) 11937 East Hampton (9.2 mi) 11958 Peconic (9.6 mi) 11944 Greenport (9.6 mi) 11939 East Marion (10.9 mi) 11952 Mattituck (12.2 mi) 11946 Hampton Bays (12.6 mi) 11948 Laurel (12.8 mi) 11957 Orient (13 mi)

Demographics updated 05/2026

Population
Total population	8,445
Population density	581 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	14.53 sq mi
Water area	4.94 sq mi
Latitude	40.9709
Longitude	-72.3144
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.7%	22.6%	37.0%
$50k – $100k	23.3%	24.7%	27.0%
$100k – $200k	28.0%	34.6%	24.4%
Over $200k	23.0%	18.0%	11.5%

Demographics & statistics

8,445

Population

581

People per sq mi

50.5

Median age

$111,129

Median household income

$89,667

Per capita income

$1,058,900

Median home value

$2,896

Median monthly rent

83.8%

Home ownership

5.6%

Poverty rate

3.5%

Unemployment

5,687

Housing units

57.5%

Bachelor's or higher

Age distribution

Male Female

155

Under 5

171

315

5–9

348

183

10–14

201

253

15–19

278

111

20–24

122

254

25–34

281

460

35–44

508

602

45–54

664

302

55–59

334

323

60–64

356

611

65–74

673

338

75–84

373

109

85+

120

← Male

Female →

Age summary

Group	Count	%
Under 18	1,682	19.9%
18 and over	6,763	80.1%
65 and over	2,224	26.3%
Median age	50.5 years

Race & ethnicity

White 76.2%

Hispanic or Latino 8.7%

Two or more races 7.7%

Asian 3.1%

Black or African American 2.2%

Other race 1.6%

American Indian / Alaska Native 0.6%

Group	Count	%
White	7,044	76.2%
Hispanic or Latino	803	8.7%
Two or more races	714	7.7%
Asian	285	3.1%
Black or African American	203	2.2%
Other race	147	1.6%
American Indian / Alaska Native	52	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.7%	22.6%	37.0%
$50k – $100k	23.3%	24.7%	27.0%
$100k – $200k	28.0%	34.6%	24.4%
Over $200k	23.0%	18.0%	11.5%

Under $10k 2.1%

$10k–$15k 0.4%

$15k–$25k 6.3%

$25k–$35k 4.1%

$35k–$50k 6.5%

$50k–$75k 14.9%

$75k–$100k 9.9%

$100k–$150k 20.7%

$150k–$200k 9.8%

$200k+ 25.3%

Range	% of households
Under $10k	2.1%
$10k–$15k	0.4%
$15k–$25k	6.3%
$25k–$35k	4.1%
$35k–$50k	6.5%
$50k–$75k	14.9%
$75k–$100k	9.9%
$100k–$150k	20.7%
$150k–$200k	9.8%
$200k+	25.3%
Median income	$111,129

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.2%

$100k–$150k 1.6%

$150k–$200k 0.4%

$200k–$300k 0.5%

$300k–$500k 0.9%

$500k–$1M 41.8%

$1M+ 53.8%

Housing overview

Metric	Value
Median home value	$1,058,900
Median rent / month	$2,896
Owner occupied	83.8%
Renter occupied	16.2%
Vacant	43.2%
Single-family detached	92.2%
Large apartment buildings	2.2%
Mobile homes	1.2%
Median rooms	6.6
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.3%
2010–2019	8.2%
2000–2009	8.1%
1990–1999	14.0%
1980–1989	12.9%
1970–1979	9.6%
1960–1969	10.4%
1950–1959	16.9%
1940–1949	8.6%
1939 or earlier	10.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	1.6%
2 bedrooms	21.3%
3 bedrooms	40.6%
4 bedrooms	23.9%
5+ bedrooms	12.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	37.3%
2 vehicles	39.8%
3 or more	19.9%

Heating fuel

Fuel type	%
Utility gas	17.8%
Electricity	5.1%
Propane / LP gas	14.5%
Fuel oil	59.3%
Wood	0.2%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	1,972	55.5%
Cohabiting couple	212	6.0%
Male householder, no spouse	420	11.8%
Female householder, no spouse	952	26.8%
Households with children under 18	997	28.0%
Households with seniors (65+)	1,567	44.1%
Average household size	2.36

Marital status

Status	Male	Female
Never married	24.3%	27.6%
Married	64.1%	53.5%
Separated	0.2%	0.4%
Widowed	2.0%	8.2%
Divorced	9.4%	10.2%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.9%

HS graduate 19.7%

Some college, no degree 13.4%

Associate's degree 3.6%

Bachelor's degree 28.2%

Graduate / professional 29.3%

Metric	%
HS diploma or higher	94.3%
Bachelor's or higher	57.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	40	2.4%
Kindergarten	142	8.5%
Elementary school	797	47.6%
High school	459	27.4%
College / grad school	238	14.2%

Employment

Industry of employment

Education & healthcare 25.0%

Professional & management 19.9%

Arts, food & hospitality 13.7%

Finance & real estate 12.4%

Construction 9.1%

Other services 5.7%

Retail trade 3.8%

Manufacturing 3.5%

Public administration 2.6%

Agriculture & mining 1.7%

Information 1.5%

Transportation & utilities 0.6%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	49.1%
Service	18.4%
Sales & office	19.3%
Natural resources & construction	11.7%
Production & transportation	1.5%

Employment type

Type	%
Private sector	67.7%
Government	17.3%
Self-employed	14.6%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	68.4%
Carpool	3.8%
Public transit	5.0%
Walk	5.2%
Work from home	16.5%
Other means	1.2%
Avg commute (minutes)	21.9

Poverty

All people 5.6%

Under 18 years 6.4%

18 and over 5.5%

Married-couple families 2.2%

Female-led households 11.4%

Income support

Source	% of households
Social Security	38.9%
Retirement income	27.4%
Supplemental Security	1.9%
Cash public assistance	0.2%
Food stamps / SNAP	0.9%

Health indicators

Condition	%
Obesity	25.7%
High blood pressure	30.0%
High cholesterol	32.6%
Diabetes	8.2%
Heart disease	5.7%
Stroke	2.5%
Asthma	8.9%
Arthritis	21.6%
Kidney disease	2.7%
Pulmonary disease	5.0%
Cancer	8.1%

Behavior / access	%
Smoking	10.6%
Binge drinking	16.6%
No physical activity	18.6%
Less than 7 hrs sleep	31.0%
Depression	15.5%
Fair or poor health	9.1%
Poor mental health	11.1%
Poor physical health	7.7%
No health insurance	7.9%
Visited doctor (checkup)	80.4%
Visited dentist	74.6%
Cholesterol screening	94.5%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	425	6.3%

Disability	%
Any disability	8.9%
Under 18	5.4%
18–64 years	3.5%
65 and over	22.3%

Health insurance coverage

Type	%
Private insurance	77.3%
Public insurance	34.2%
No insurance	7.3%
Uninsured under 19	10.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,119	96.1%
Spanish	257	3.2%
Other Indo-European	101	1.2%
Asian & Pacific Islander	129	1.6%
Other languages	12	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,173	84.9%
Born in same state	7,154	84.7%
Born in different state	5,282	62.5%
Foreign born	19	0.2%
Naturalized citizen	1,272	15.1%
Not a US citizen	538	42.3%

Ancestry

Ancestry	Count	%
Italian	1,257	14.9%
French	1,015	12%
Arab	438	5.2%
English	70	0.8%
Dutch	55	0.7%

Ancestry	Count	%
Irish	39	0.5%
Norwegian	26	0.3%
Polish	23	0.3%
German	13	0.2%

Technology access

Metric	% of households
Computer access	42.1%
Internet access	90.2%

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

Frequently asked questions about ZIP code 11963

What city is ZIP code 11963 in?

ZIP code 11963 is primarily assigned to Sag Harbor, New York.

What county is ZIP code 11963 in?

ZIP code 11963 falls within Suffolk County, New York.

Does ZIP code 11963 have an older population?

26% of residents in ZIP code 11963 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 11963?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11963 mostly owner-occupied?

84% of occupied units in ZIP code 11963 are owner-occupied, well above the national average.

Does ZIP code 11963 have a large retiree population?

39% of households in ZIP code 11963 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 11963 in?

ZIP code 11963 observes the EST timezone.