11934 ZIP Code — Center Moriches, NY

Suffolk County, New York

ZIP code 11934 is located in Center Moriches, New York, within Suffolk County. It covers approximately 5.54 square miles and serves a population of 7,778 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11934

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 $500,400. Owner-occupancy is high at 89%, well above the national average.

Median household income is $145,275. The poverty rate of 4% is below the national average. 32% 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 31 minutes is near the national average.

Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.

Overall, ZIP code 11934 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,778

population

5.54

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11934 ZIP code map

Cities in ZIP code 11934

Below are the cities the US Postal Service accepts for ZIP code 11934. Using any city not on this list may result in mail delivery delays.

City	Status
Center Moriches	Acceptable
Center Moriches	Preferred

Nearby ZIP codes

11955 Moriches (1.7 mi) 11940 East Moriches (1.9 mi) 11950 Mastic (3.4 mi) 11951 Mastic Beach (3.5 mi) 11941 Eastport (4.1 mi) 11949 Manorville (4.5 mi) 11967 Shirley (4.7 mi) 11977 Westhampton (6 mi) 11719 Brookhaven (6.3 mi) 11980 Yaphank (7 mi) 11772 Patchogue (7.3 mi) 11772 Patchogue (7.3 mi)

Demographics updated 05/2026

Population
Total population	7,778
Population density	1,404 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	5.54 sq mi
Water area	0.42 sq mi
Latitude	40.8016
Longitude	-72.7908
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	17.4%	22.6%	37.0%
$50k – $100k	22.9%	24.7%	27.0%
$100k – $200k	37.1%	34.6%	24.4%
Over $200k	22.6%	18.0%	11.5%

Demographics & statistics

7,778

Population

1,404

People per sq mi

42.2

Median age

$145,275

Median household income

$54,700

Per capita income

$500,400

Median home value

$2,118

Median monthly rent

89.4%

Home ownership

3.7%

Poverty rate

3.7%

Unemployment

2,523

Housing units

38.5%

Bachelor's or higher

Age distribution

Male Female

251

Under 5

281

283

5–9

317

236

10–14

264

228

15–19

256

242

20–24

270

357

25–34

400

426

35–44

477

495

45–54

554

340

55–59

380

277

60–64

310

274

65–74

306

189

75–84

211

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,903	24.5%
18 and over	5,875	75.5%
65 and over	1,134	14.6%
Median age	42.2 years

Race & ethnicity

White 85.4%

Hispanic or Latino 5.3%

Other race 3%

Two or more races 2.4%

Black or African American 2%

Asian 1.8%

Group	Count	%
White	7,015	85.4%
Hispanic or Latino	433	5.3%
Other race	248	3%
Two or more races	201	2.4%
Black or African American	166	2%
Asian	148	1.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	22.6%	37.0%
$50k – $100k	22.9%	24.7%	27.0%
$100k – $200k	37.1%	34.6%	24.4%
Over $200k	22.6%	18.0%	11.5%

Under $10k 3.5%

$10k–$15k 0.7%

$15k–$25k 5.2%

$25k–$35k 1.6%

$35k–$50k 2.7%

$50k–$75k 11.5%

$75k–$100k 8.3%

$100k–$150k 23.1%

$150k–$200k 15.3%

$200k+ 28.1%

Range	% of households
Under $10k	3.5%
$10k–$15k	0.7%
$15k–$25k	5.2%
$25k–$35k	1.6%
$35k–$50k	2.7%
$50k–$75k	11.5%
$75k–$100k	8.3%
$100k–$150k	23.1%
$150k–$200k	15.3%
$200k+	28.1%
Median income	$145,275

Housing

Home values

$50k–$100k 0.5%

$150k–$200k 2.4%

$200k–$300k 6.4%

$300k–$500k 40.6%

$500k–$1M 46.6%

$1M+ 3.4%

Housing overview

Metric	Value
Median home value	$500,400
Median rent / month	$2,118
Owner occupied	89.4%
Renter occupied	10.6%
Vacant	3.6%
Single-family detached	93.5%
Large apartment buildings	0.5%
Mobile homes	0.0%
Median rooms	6.7
Avg household size (owned)	2.85

Year built

Era	%
2020 or later	0.6%
2010–2019	5.8%
2000–2009	8.0%
1990–1999	10.0%
1980–1989	13.6%
1970–1979	18.6%
1960–1969	9.5%
1950–1959	17.9%
1940–1949	6.2%
1939 or earlier	9.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	3.0%
2 bedrooms	18.5%
3 bedrooms	42.3%
4 bedrooms	21.6%
5+ bedrooms	14.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.9%
1 vehicle	21.7%
2 vehicles	38.2%
3 or more	36.2%

Heating fuel

Fuel type	%
Utility gas	14.5%
Electricity	3.4%
Propane / LP gas	2.5%
Fuel oil	77.0%
Wood	1.7%
Solar	0.3%

Households & families

Household type	Count	%
Married-couple family	1,425	52.6%
Cohabiting couple	189	7.0%
Male householder, no spouse	385	14.2%
Female householder, no spouse	710	26.2%
Households with children under 18	1,023	37.8%
Households with seniors (65+)	790	29.2%
Average household size	2.81

Marital status

Status	Male	Female
Never married	29.4%	28.7%
Married	54.8%	47.7%
Separated	1.5%	0.9%
Widowed	2.8%	9.0%
Divorced	11.5%	13.7%

Education

Less than 9th grade 3.2%

Some HS, no diploma 3.7%

HS graduate 21.2%

Some college, no degree 18.1%

Associate's degree 15.3%

Bachelor's degree 17.2%

Graduate / professional 21.3%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	38.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	86	4.4%
Kindergarten	34	1.7%
Elementary school	901	45.8%
High school	402	20.4%
College / grad school	546	27.7%

Employment

Industry of employment

Education & healthcare 34.0%

Construction 16.2%

Professional & management 12.4%

Finance & real estate 7.3%

Public administration 5.8%

Transportation & utilities 4.6%

Arts, food & hospitality 4.4%

Retail trade 4.0%

Manufacturing 3.4%

Other services 3.0%

Wholesale trade 2.3%

Agriculture & mining 1.3%

Information 1.2%

Occupation

Category	%
Management, business & arts	49.5%
Service	12.3%
Sales & office	21.4%
Natural resources & construction	11.5%
Production & transportation	5.4%

Employment type

Type	%
Private sector	71.4%
Government	20.7%
Self-employed	7.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.1%
Carpool	9.4%
Public transit	2.6%
Walk	2.5%
Work from home	6.6%
Other means	0.9%
Avg commute (minutes)	31.1

Poverty

All people 3.7%

Under 18 years 3.8%

18 and over 3.7%

Married-couple families 0.0%

Female-led households 18.3%

Income support

Source	% of households
Social Security	32.0%
Retirement income	22.9%
Supplemental Security	2.2%
Cash public assistance	2.4%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
Obesity	27.1%
High blood pressure	26.6%
High cholesterol	29.5%
Diabetes	7.3%
Heart disease	4.8%
Stroke	2.2%
Asthma	9.4%
Arthritis	18.7%
Kidney disease	2.3%
Pulmonary disease	5.0%
Cancer	6.3%

Behavior / access	%
Smoking	14.3%
Binge drinking	19.4%
No physical activity	20.3%
Less than 7 hrs sleep	34.1%
Depression	17.2%
Fair or poor health	9.6%
Poor mental health	13.3%
Poor physical health	8.0%
No health insurance	10.0%
Visited doctor (checkup)	77.5%
Visited dentist	70.6%
Cholesterol screening	92.2%
Teeth loss	9.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	245	4.2%

Disability	%
Any disability	6.5%
Under 18	3.5%
18–64 years	4.0%
65 and over	22.8%

Health insurance coverage

Type	%
Private insurance	81.4%
Public insurance	27.5%
No insurance	3.8%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,246	93.2%
Spanish	208	2.9%
Other Indo-European	152	2.1%
Asian & Pacific Islander	19	0.3%
Other languages	37	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,368	94.7%
Born in same state	7,284	93.6%
Born in different state	6,710	86.3%
Foreign born	84	1.1%
Naturalized citizen	410	5.3%
Not a US citizen	202	49.3%

Ancestry

Ancestry	Count	%
Italian	1,882	24.2%
French	546	7%
Polish	173	2.2%
Arab	165	2.1%

Ancestry	Count	%
English	129	1.7%
Irish	40	0.5%
German	10	0.1%
Norwegian	4	0.1%

Technology access

Metric	% of households
Computer access	34.8%
Internet access	98.5%

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

Frequently asked questions about ZIP code 11934

What city is ZIP code 11934 in?

ZIP code 11934 is primarily assigned to Center Moriches, New York.

What county is ZIP code 11934 in?

ZIP code 11934 falls within Suffolk County, New York.

Is ZIP code 11934 mostly owner-occupied?

89% of occupied units in ZIP code 11934 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11934?

The median household income in ZIP code 11934 is $145,275, above the national median of ~$75,000.

What is the typical home value in ZIP code 11934?

The median home value in ZIP code 11934 is $500,400.

What is the population of ZIP code 11934?

ZIP code 11934 has an estimated population of 7,778 residents, with a density of 1,405 people per square mile.

What timezone is ZIP code 11934 in?

ZIP code 11934 observes the EST timezone.