Southold ZIP Code List — Suffolk County, NY

There is one unique ZIP code in Southold, New York and it is 11971. Area code: 631.
1
ZIP codes
10.96
sq mi land
4.12
sq mi water
631
area code
Southold, NY ZIP code map

About Southold, NY

Southold, New York, is a picturesque town located on the North Fork of Long Island. Known for its beautiful landscapes and rich history, it offers a unique blend of rural charm and coastal beauty. This small community has become a popular destination for visitors seeking a tranquil escape from the hustle and bustle of city life.

Location & geography

Southold is situated in Suffolk County and has a total land area of 10.96 square miles, complemented by a water area of 4.12 square miles. It is bordered by the towns of Greenport to the west and Mattituck to the south, with the Atlantic Ocean along its eastern edge. The geography features a mix of farmlands, vineyards, and waterfronts, contributing to Southold's scenic beauty.

Community & economy

The character of Southold is defined by its close-knit community and a variety of local industries including agriculture, tourism, and maritime activities. Residents enjoy a tranquil lifestyle that revolves around outdoor activities, such as boating, fishing, and visiting vineyards. Daily life here is characterized by a relaxed pace, with many local shops and markets promoting a sense of community.

Transportation

Southold is accessible via Route 25, also known as Long Island's North Road, which runs through the town and connects it to other neighborhoods and towns. The nearest major airport is Long Island MacArthur Airport, located approximately 40 miles away in Ronkonkoma. Public transportation options include Suffolk County Transit bus services that connect Southold to nearby areas.

History

Southold was founded in 1640, making it one of the earliest settlements in the region, with a history rich in farming and maritime commerce. Over the years, it has played a role in the development of the local lobster business and tourism industry in the area. Notable events in its history include the establishment of historical landmarks like the Southold Historical Society and the town's meaningful participation in the American Revolution.

Did you know?

A surprising fact about Southold is that it is home to one of the oldest vineyards in the region, the Southold Farm + Cellar, which reflects the area's strong agricultural heritage. Additionally, Southold boasts several preserved historic buildings that offer a glimpse into its colonial past.

ZIP codes for Southold, NY (1)
ZIP code City County Map
11971 Southold Suffolk View map

Demographics & statistics

6,286
Population
49.4
Median age
$104,720
Median household income
$72,726
Per capita income
$695,100
Median home value
$2,157
Median monthly rent
81.4%
Home ownership
3.9%
Poverty rate
8.7%
Unemployment
3,491
Housing units
47.7%
Bachelor's or higher

Age distribution

Male Female
189
Under 5
176
256
5–9
238
265
10–14
246
70
15–19
65
38
20–24
36
301
25–34
279
359
35–44
334
305
45–54
283
303
55–59
282
349
60–64
324
519
65–74
483
201
75–84
187
103
85+
95
← Male
Female →

Age summary

GroupCount%
Under 181,48423.6%
18 and over4,80276.4%
65 and over1,58825.3%
Median age49.4 years

Race & ethnicity

White 76.4%
Hispanic or Latino 9.9%
Other race 5.6%
Two or more races 4.3%
Asian 3.3%
Black or African American 0.4%
GroupCount%
White5,33476.4%
Hispanic or Latino6939.9%
Other race3935.6%
Two or more races3004.3%
Asian2323.3%
Black or African American270.4%

Household income

Under $10k 1.7%
$10k–$15k 3.3%
$15k–$25k 3.3%
$25k–$35k 3.5%
$35k–$50k 5.6%
$50k–$75k 18.4%
$75k–$100k 10.4%
$100k–$150k 10.7%
$150k–$200k 14.0%
$200k+ 29.2%
Range% of households
Under $10k1.7%
$10k–$15k3.3%
$15k–$25k3.3%
$25k–$35k3.5%
$35k–$50k5.6%
$50k–$75k18.4%
$75k–$100k10.4%
$100k–$150k10.7%
$150k–$200k14.0%
$200k+29.2%
Median income$104,720

Housing

Home values

Under $50k 1.9%
$50k–$100k 1.3%
$300k–$500k 12.2%
$500k–$1M 63.2%
$1M+ 21.3%

Housing overview

MetricValue
Median home value$695,100
Median rent / month$2,157
Owner occupied81.4%
Renter occupied18.6%
Vacant36.5%
Single-family detached91.9%
Large apartment buildings1.6%
Mobile homes0.0%
Median rooms6.2
Avg household size (owned)2.44

Year built

Era%
2020 or later0.1%
2010–20193.5%
2000–20097.3%
1990–19999.1%
1980–198914.2%
1970–197920.0%
1960–196918.6%
1950–19595.6%
1940–19496.6%
1939 or earlier14.9%

Bedrooms

Size% of units
No bedroom (studio)0.2%
1 bedroom7.2%
2 bedrooms11.8%
3 bedrooms47.6%
4 bedrooms25.6%
5+ bedrooms7.6%

Vehicles per household

Vehicles% of households
No vehicle9.4%
1 vehicle31.8%
2 vehicles30.7%
3 or more28.1%

Heating fuel

Fuel type%
Utility gas22.5%
Electricity4.5%
Propane / LP gas6.9%
Fuel oil57.7%
Wood2.8%
No fuel used1.9%

Households & families

Household typeCount%
Married-couple family1,50860.0%
Cohabiting couple461.8%
Male householder, no spouse41516.5%
Female householder, no spouse54621.7%
Households with children under 1865826.2%
Households with seniors (65+)1,15846.0%
Average household size2.48

Marital status

StatusMaleFemale
Never married24.7%13.8%
Married63.7%71.9%
Separated2.5%0.5%
Widowed3.5%11.7%
Divorced5.6%2.0%

Education

Less than 9th grade 2.8%
Some HS, no diploma 6.4%
HS graduate 22.9%
Some college, no degree 13.5%
Associate's degree 6.6%
Bachelor's degree 25.3%
Graduate / professional 22.4%
Metric%
HS diploma or higher90.8%
Bachelor's or higher47.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool866.6%
Kindergarten524.0%
Elementary school91370.6%
High school13310.3%
College / grad school1108.5%

Employment

Industry of employment

Education & healthcare 20.2%
Retail trade 11.0%
Professional & management 10.7%
Construction 10.0%
Finance & real estate 8.1%
Arts, food & hospitality 8.1%
Manufacturing 6.9%
Public administration 6.6%
Wholesale trade 6.1%
Transportation & utilities 4.8%
Information 3.7%
Other services 2.1%
Agriculture & mining 1.6%

Occupation

Category%
Management, business & arts44.0%
Service11.1%
Sales & office21.6%
Natural resources & construction10.7%
Production & transportation12.6%

Employment type

Type%
Private sector75.2%
Government14.1%
Self-employed9.5%
Unpaid family workers1.2%

Commute

Method%
Drive alone72.3%
Carpool8.3%
Public transit7.9%
Walk0.8%
Other means1.4%
Avg commute (minutes)26.1

Poverty

All people 3.9%
Under 18 years 0.0%
18 and over 5.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security41.1%
Retirement income28.7%
Supplemental Security3.9%
Cash public assistance1.9%
Food stamps / SNAP6.9%

Health indicators

Condition%
High blood pressure34.6%
High cholesterol37.1%
Heart disease7.6%
Stroke3.3%
Asthma9.3%
Arthritis25.9%
Kidney disease3.4%
Pulmonary disease6.9%
Cancer9.4%
Behavior / access%
Binge drinking15.0%
No physical activity22.2%
Less than 7 hrs sleep31.6%
Fair or poor health11.6%
Poor mental health11.7%
Poor physical health9.5%
No health insurance8.9%
Visited doctor (checkup)81.8%
Visited dentist71.2%
Cholesterol screening94.4%
Teeth loss10.4%

Veterans & disability

VeteransCount%
Civilian veterans2174.5%
Disability%
Any disability11.6%
Under 183.9%
18–64 years5.0%
65 and over32.1%

Health insurance coverage

Type%
Private insurance71.3%
Public insurance33.9%
Uninsured under 1918.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only5,92194.2%
Spanish4157.0%
Other Indo-European2554.3%
Asian & Pacific Islander1602.7%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)5,41386.1%
Born in same state5,29084.2%
Born in different state4,62473.6%
Foreign born1232.0%
Naturalized citizen87313.9%
Not a US citizen56464.6%

Ancestry

AncestryCount%
Italian1,04616.6%
Arab83713.3%
French5138.2%
Polish500.8%
Dutch240.4%
AncestryCount%
Norwegian200.3%
Irish180.3%
English180.3%
German110.2%

Technology access

Metric% of households
Computer access40.0%
Internet access95.8%

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

Frequently asked questions
What is the ZIP code for Southold, NY?
Southold, NY has one ZIP code: 11971.
What is the main ZIP code for Southold, NY?
The primary ZIP code for Southold, NY is 11971. The city uses area code 631 for phone service.
What county is Southold, NY in?
Southold is located in Suffolk County, New York.
How many ZIP codes are in Southold, NY?
Southold, NY has 1 ZIP code.
What is the ZIP code for Southold Village, the historic downtown area of Southold, NY?
Southold Village is located in ZIP code 11971, which covers the entire town of Southold on the North Fork of Long Island.
What ZIP code should I use for mailing addresses to properties in Peconic, the eastern hamlet of Southold, NY?
Properties in Peconic, located in eastern Southold, use ZIP code 11971 for all mailing addresses.
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