11939 ZIP Code — East Marion, NY

Suffolk County, New York

ZIP code 11939 is located in East Marion, New York, within Suffolk County. It covers approximately 2.24 square miles and serves a population of 1,564 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11939

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $793,200. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($100,682) and mean household income suggests income inequality — a small number of higher earners pull the average up. 59% 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 29 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.

Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.

Overall, ZIP code 11939 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

1,564

population

2.24

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11939 ZIP code map

Cities in ZIP code 11939

Below are the cities the US Postal Service accepts for ZIP code 11939. Using any city not on this list may result in mail delivery delays.

City	Status
East Marion	Acceptable
East Marion	Preferred

Nearby ZIP codes

11944 Greenport (2.7 mi) 11957 Orient (5.1 mi) 11971 Southold (6.6 mi) 11958 Peconic (9.1 mi) 11963 Sag Harbor (10.9 mi) 11935 Cutchogue (11.8 mi) 11937 East Hampton (12 mi) 06475 Old Saybrook (12.3 mi) 11976 Water Mill (13.6 mi) 11952 Mattituck (14.2 mi) 06498 Westbrook (14.2 mi) 06357 Niantic (15.1 mi)

Demographics updated 05/2026

Population
Total population	1,564
Population density	698 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	2.24 sq mi
Water area	5.42 sq mi
Latitude	41.1280
Longitude	-72.3338
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	23.1%	22.6%	37.0%
$50k – $100k	33.6%	24.7%	27.0%
$100k – $200k	24.1%	34.6%	24.4%
Over $200k	19.2%	18.0%	11.5%

Demographics & statistics

1,564

Population

698

People per sq mi

61.3

Median age

$100,682

Median household income

$74,521

Per capita income

$793,200

Median home value

$2,227

Median monthly rent

89.9%

Home ownership

1.6%

Poverty rate

0.8%

Unemployment

1,190

Housing units

42.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

116

55–59

60–64

161

65–74

206

75–84

115

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	152	9.7%
18 and over	1,412	90.3%
65 and over	714	45.7%
Median age	61.3 years

Race & ethnicity

White 95.2%

Two or more races 2.3%

Hispanic or Latino 1.9%

Black or African American 0.6%

Group	Count	%
White	1,518	95.2%
Two or more races	37	2.3%
Hispanic or Latino	31	1.9%
Black or African American	9	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.1%	22.6%	37.0%
$50k – $100k	33.6%	24.7%	27.0%
$100k – $200k	24.1%	34.6%	24.4%
Over $200k	19.2%	18.0%	11.5%

Under $10k 2.6%

$10k–$15k 0.8%

$15k–$25k 1.0%

$25k–$35k 10.5%

$35k–$50k 9.4%

$50k–$75k 11.2%

$75k–$100k 13.6%

$100k–$150k 14.5%

$150k–$200k 14.0%

$200k+ 22.3%

Range	% of households
Under $10k	2.6%
$10k–$15k	0.8%
$15k–$25k	1.0%
$25k–$35k	10.5%
$35k–$50k	9.4%
$50k–$75k	11.2%
$75k–$100k	13.6%
$100k–$150k	14.5%
$150k–$200k	14.0%
$200k+	22.3%
Median income	$100,682

Housing

Home values

$50k–$100k 0.9%

$200k–$300k 2.0%

$300k–$500k 11.9%

$500k–$1M 65.8%

$1M+ 19.4%

Housing overview

Metric	Value
Median home value	$793,200
Median rent / month	$2,227
Owner occupied	89.9%
Renter occupied	10.1%
Vacant	42.8%
Single-family detached	92.0%
Large apartment buildings	0.5%
Mobile homes	0.0%
Median rooms	6.0
Avg household size (owned)	2.16

Year built

Era	%
2020 or later	1.2%
2010–2019	0.5%
2000–2009	21.2%
1990–1999	7.4%
1980–1989	10.1%
1970–1979	8.9%
1960–1969	6.3%
1950–1959	15.2%
1940–1949	6.5%
1939 or earlier	22.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	8.7%
2 bedrooms	19.2%
3 bedrooms	53.2%
4 bedrooms	11.2%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	32.0%
2 vehicles	39.5%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	26.5%
Electricity	4.3%
Propane / LP gas	6.0%
Fuel oil	62.3%

Households & families

Household type	Count	%
Married-couple family	460	63.7%
Cohabiting couple	29	4.0%
Male householder, no spouse	100	13.9%
Female householder, no spouse	133	18.4%
Households with children under 18	90	12.5%
Households with seniors (65+)	470	65.1%
Average household size	2.17

Marital status

Status	Male	Female
Never married	16.0%	24.6%
Married	69.4%	56.7%
Separated	0.0%	0.0%
Widowed	4.5%	10.3%
Divorced	10.1%	8.4%

Education

Less than 9th grade 2.3%

Some HS, no diploma 0.0%

HS graduate 20.9%

Some college, no degree 16.8%

Associate's degree 17.9%

Bachelor's degree 24.6%

Graduate / professional 17.6%

Metric	%
HS diploma or higher	97.7%
Bachelor's or higher	42.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	6	3.2%
Kindergarten	0	0.0%
Elementary school	38	20.1%
High school	71	37.6%
College / grad school	74	39.2%

Employment

Industry of employment

Education & healthcare 20.9%

Agriculture & mining 12.7%

Public administration 12.2%

Professional & management 11.5%

Transportation & utilities 9.5%

Finance & real estate 7.3%

Construction 6.4%

Arts, food & hospitality 5.8%

Retail trade 5.1%

Wholesale trade 4.0%

Information 2.7%

Other services 1.0%

Manufacturing 0.9%

Occupation

Category	%
Management, business & arts	56.3%
Service	8.0%
Sales & office	24.3%
Natural resources & construction	8.4%
Production & transportation	3.0%

Employment type

Type	%
Private sector	54.6%
Government	27.2%
Self-employed	14.4%
Unpaid family workers	3.8%

Commute

Method	%
Drive alone	69.6%
Carpool	4.6%
Public transit	0.0%
Walk	0.0%
Work from home	25.8%
Other means	0.0%
Avg commute (minutes)	28.6

Poverty

All people 1.6%

Under 18 years 0.0%

18 and over 1.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	59.3%
Retirement income	35.9%
Supplemental Security	1.4%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	25.4%
High blood pressure	35.4%
High cholesterol	36.3%
Diabetes	10.0%
Heart disease	8.1%
Stroke	3.4%
Asthma	9.0%
Arthritis	26.5%
Kidney disease	3.4%
Pulmonary disease	7.0%
Cancer	10.0%

Behavior / access	%
Smoking	12.1%
Binge drinking	14.5%
No physical activity	22.3%
Less than 7 hrs sleep	30.8%
Depression	15.8%
Fair or poor health	11.6%
Poor mental health	11.3%
Poor physical health	9.4%
No health insurance	9.3%
Visited doctor (checkup)	82.0%
Visited dentist	71.6%
Cholesterol screening	94.4%
Teeth loss	10.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	116	8.2%

Disability	%
Any disability	13.1%
Under 18	0.0%
18–64 years	1.9%
65 and over	26.9%

Health insurance coverage

Type	%
Private insurance	82.9%
Public insurance	45.3%
No insurance	0.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,527	97.6%
Spanish	103	6.7%
Other Indo-European	0	0.0%
Asian & Pacific Islander	59	3.9%
Other languages	44	2.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,407	90.0%
Born in same state	1,385	88.6%
Born in different state	1,195	76.4%
Foreign born	22	1.4%
Naturalized citizen	157	10.0%
Not a US citizen	157	100.0%

Ancestry

Ancestry	Count	%
Italian	282	18%
Arab	218	13.9%
French	160	10.2%
Norwegian	31	2%
Irish	18	1.2%

Ancestry	Count	%
German	7	0.4%
English	7	0.4%
Polish	6	0.4%
Dutch	6	0.4%

Technology access

Metric	% of households
Computer access	46.2%
Internet access	93.2%

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

Frequently asked questions about ZIP code 11939

What city is ZIP code 11939 in?

ZIP code 11939 is primarily assigned to East Marion, New York.

What county is ZIP code 11939 in?

ZIP code 11939 falls within Suffolk County, New York.

Does ZIP code 11939 have an older population?

46% of residents in ZIP code 11939 are 65 or older, above the national average of ~17%.

Does ZIP code 11939 have a large retiree population?

59% of households in ZIP code 11939 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 11939 mostly owner-occupied?

90% of occupied units in ZIP code 11939 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 11939?

The median home value in ZIP code 11939 is $793,200.

What timezone is ZIP code 11939 in?

ZIP code 11939 observes the EST timezone.