11940 ZIP Code — East Moriches, NY

Suffolk County, New York

ZIP code 11940 is located in East Moriches, New York, within Suffolk County. It covers approximately 5.01 square miles and serves a population of 5,462 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11940

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $563,300. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($128,598) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 45% 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 34 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Overall, ZIP code 11940 reflects a community defined by high homeownership and a significant Social Security-dependent population.

5,462

population

5.01

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11940 ZIP code map

Cities in ZIP code 11940

Below are the cities the US Postal Service accepts for ZIP code 11940. Using any city not on this list may result in mail delivery delays.

City	Status
East Moriches	Acceptable
East Moriches	Preferred

Nearby ZIP codes

11934 Center Moriches (1.9 mi) 11941 Eastport (2.2 mi) 11955 Moriches (3.6 mi) 11977 Westhampton (4.1 mi) 11949 Manorville (4.2 mi) 11950 Mastic (5.2 mi) 11951 Mastic Beach (5.2 mi) 11967 Shirley (6.6 mi) 11978 Westhampton Beach (7.4 mi) 11933 Calverton (7.8 mi) 11719 Brookhaven (8.2 mi) 11980 Yaphank (8.7 mi)

Demographics updated 05/2026

Population
Total population	5,462
Population density	1,090 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	5.01 sq mi
Water area	0.41 sq mi
Latitude	40.8081
Longitude	-72.7554
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	21.9%	22.6%	37.0%
$50k – $100k	24.3%	24.7%	27.0%
$100k – $200k	32.1%	34.6%	24.4%
Over $200k	21.8%	18.0%	11.5%

Demographics & statistics

5,462

Population

1,090

People per sq mi

47.1

Median age

$128,598

Median household income

$64,023

Per capita income

$563,300

Median home value

$2,219

Median monthly rent

75.5%

Home ownership

3.3%

Poverty rate

2.3%

Unemployment

1,624

Housing units

31.5%

Bachelor's or higher

Age distribution

Male Female

137

Under 5

131

171

5–9

162

211

10–14

201

157

15–19

149

155

20–24

147

163

25–34

154

334

35–44

317

431

45–54

409

198

55–59

188

193

60–64

183

431

65–74

409

172

75–84

163

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,204	22.0%
18 and over	4,258	78.0%
65 and over	1,271	23.3%
Median age	47.1 years

Race & ethnicity

White 84.9%

Two or more races 4.8%

Hispanic or Latino 4.6%

Asian 2.4%

Black or African American 2.2%

Other race 1.1%

Group	Count	%
White	4,860	84.9%
Two or more races	274	4.8%
Hispanic or Latino	262	4.6%
Asian	135	2.4%
Black or African American	128	2.2%
Other race	65	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.9%	22.6%	37.0%
$50k – $100k	24.3%	24.7%	27.0%
$100k – $200k	32.1%	34.6%	24.4%
Over $200k	21.8%	18.0%	11.5%

$10k–$15k 0.3%

$15k–$25k 4.5%

$25k–$35k 1.8%

$35k–$50k 8.7%

$50k–$75k 12.3%

$75k–$100k 11.8%

$100k–$150k 17.7%

$150k–$200k 14.5%

$200k+ 28.4%

Range	% of households
$10k–$15k	0.3%
$15k–$25k	4.5%
$25k–$35k	1.8%
$35k–$50k	8.7%
$50k–$75k	12.3%
$75k–$100k	11.8%
$100k–$150k	17.7%
$150k–$200k	14.5%
$200k+	28.4%
Median income	$128,598

Housing

Home values

Under $50k 3.4%

$50k–$100k 2.1%

$100k–$150k 2.3%

$150k–$200k 1.3%

$200k–$300k 5.2%

$300k–$500k 27.3%

$500k–$1M 46.7%

$1M+ 11.8%

Housing overview

Metric	Value
Median home value	$563,300
Median rent / month	$2,219
Owner occupied	75.5%
Renter occupied	24.5%
Vacant	8.0%
Single-family detached	77.3%
Large apartment buildings	3.0%
Mobile homes	1.4%
Median rooms	6.2
Avg household size (owned)	3.23

Year built

Era	%
2020 or later	0.0%
2010–2019	2.6%
2000–2009	18.6%
1990–1999	14.2%
1980–1989	12.5%
1970–1979	18.9%
1960–1969	8.6%
1950–1959	9.0%
1940–1949	2.8%
1939 or earlier	12.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	3.1%
2 bedrooms	23.2%
3 bedrooms	45.8%
4 bedrooms	21.4%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	35.8%
2 vehicles	36.9%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	29.0%
Electricity	7.4%
Propane / LP gas	7.7%
Fuel oil	55.3%
Wood	0.7%

Households & families

Household type	Count	%
Married-couple family	1,315	68.2%
Cohabiting couple	93	4.8%
Male householder, no spouse	166	8.6%
Female householder, no spouse	355	18.4%
Households with children under 18	560	29.0%
Households with seniors (65+)	853	44.2%
Average household size	2.76

Marital status

Status	Male	Female
Never married	30.7%	21.7%
Married	61.2%	62.5%
Separated	0.4%	0.8%
Widowed	3.3%	8.2%
Divorced	4.5%	6.8%

Education

Less than 9th grade 4.2%

Some HS, no diploma 0.8%

HS graduate 31.3%

Some college, no degree 21.8%

Associate's degree 10.4%

Bachelor's degree 14.8%

Graduate / professional 16.7%

Metric	%
HS diploma or higher	95.0%
Bachelor's or higher	31.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	83	6.6%
Kindergarten	35	2.8%
Elementary school	584	46.6%
High school	309	24.7%
College / grad school	242	19.3%

Employment

Industry of employment

Education & healthcare 26.0%

Professional & management 16.5%

Retail trade 11.9%

Construction 8.7%

Public administration 7.7%

Other services 5.5%

Arts, food & hospitality 4.8%

Finance & real estate 4.2%

Transportation & utilities 3.9%

Wholesale trade 3.3%

Manufacturing 3.1%

Agriculture & mining 2.6%

Information 1.6%

Occupation

Category	%
Management, business & arts	47.0%
Service	19.0%
Sales & office	16.4%
Natural resources & construction	6.6%
Production & transportation	11.1%

Employment type

Type	%
Private sector	68.4%
Government	25.7%
Self-employed	5.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.5%
Carpool	14.0%
Public transit	3.2%
Walk	1.0%
Work from home	14.4%
Other means	0.0%
Avg commute (minutes)	33.7

Poverty

All people 3.3%

Under 18 years 2.3%

18 and over 3.6%

Married-couple families 0.5%

Female-led households 21.4%

Income support

Source	% of households
Social Security	44.7%
Retirement income	35.8%
Supplemental Security	3.8%
Cash public assistance	0.1%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	27.2%
High blood pressure	30.0%
High cholesterol	32.5%
Diabetes	8.4%
Heart disease	5.9%
Stroke	2.6%
Asthma	9.4%
Arthritis	21.9%
Kidney disease	2.7%
Pulmonary disease	6.0%
Cancer	7.5%

Behavior / access	%
Smoking	14.4%
Binge drinking	17.9%
No physical activity	21.2%
Less than 7 hrs sleep	33.6%
Depression	17.2%
Fair or poor health	10.4%
Poor mental health	12.9%
Poor physical health	8.8%
No health insurance	9.1%
Visited doctor (checkup)	79.2%
Visited dentist	71.2%
Cholesterol screening	93.2%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	269	6.3%

Disability	%
Any disability	7.9%
Under 18	0.7%
18–64 years	7.5%
65 and over	15.4%

Health insurance coverage

Type	%
Private insurance	85.3%
Public insurance	32.5%
No insurance	2.0%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,194	95.1%
Spanish	89	1.7%
Other Indo-European	9	0.2%
Asian & Pacific Islander	23	0.4%
Other languages	57	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,224	95.6%
Born in same state	5,186	94.9%
Born in different state	4,686	85.8%
Foreign born	38	0.7%
Naturalized citizen	238	4.4%
Not a US citizen	150	63.0%

Ancestry

Ancestry	Count	%
Italian	1,391	25.5%
French	609	11.1%
Arab	200	3.7%
German	64	1.2%

Ancestry	Count	%
Norwegian	16	0.3%
English	14	0.3%
Dutch	9	0.2%

Technology access

Metric	% of households
Computer access	35.3%
Internet access	96.0%

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

Frequently asked questions about ZIP code 11940

What city is ZIP code 11940 in?

ZIP code 11940 is primarily assigned to East Moriches, New York.

What county is ZIP code 11940 in?

ZIP code 11940 falls within Suffolk County, New York.

Does ZIP code 11940 have a large retiree population?

45% of households in ZIP code 11940 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 11940?

The median household income in ZIP code 11940 is $128,598, above the national median of ~$75,000.

What is the typical home value in ZIP code 11940?

The median home value in ZIP code 11940 is $563,300.

What is the population of ZIP code 11940?

ZIP code 11940 has an estimated population of 5,462 residents, with a density of 1,090 people per square mile.

What timezone is ZIP code 11940 in?

ZIP code 11940 observes the EST timezone.