11798 ZIP Code — Wyandanch, NY

Suffolk County, New York

ZIP code 11798 is located in Wyandanch, New York, within Suffolk County. It covers approximately 4.98 square miles and serves a population of 18,355 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11798

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $390,400. Owner-occupancy sits near the national average at 74%.

Median household income is $94,409. SNAP benefit usage at 29% of households reflects economic stress in the area. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 11798 reflects a community defined by a significant Social Security-dependent population and elevated reliance on food assistance.

18,355

population

4.98

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11798 ZIP code map

Cities in ZIP code 11798

Below are the cities the US Postal Service accepts for ZIP code 11798. Using any city not on this list may result in mail delivery delays.

City	Status
Wyandanch	Acceptable
Wyandanch	Acceptable
Wyandanch	Preferred

Nearby ZIP codes

11729 Deer Park (2.5 mi) 11704 West Babylon (2.6 mi) 11703 North Babylon (2.7 mi) 11747 Melville (2.9 mi) 11735 Farmingdale (3.7 mi) 11746 Huntington Station (4.2 mi) 11737 Farmingdale (4.3 mi) 11757 Lindenhurst (4.5 mi) 11795 West Islip (4.7 mi) 11726 Copiague (5.1 mi) 11701 Amityville (5.1 mi) 11718 Brightwaters (6.1 mi)

Demographics updated 05/2026

Population
Total population	18,355
Population density	3,686 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	4.98 sq mi
Water area	0.00 sq mi
Latitude	40.7537
Longitude	-73.3685
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	30.9%	22.6%	37.0%
$50k – $100k	25.1%	24.7%	27.0%
$100k – $200k	30.9%	34.6%	24.4%
Over $200k	13.1%	18.0%	11.5%

Demographics & statistics

18,355

Population

3,686

People per sq mi

36.1

Median age

$94,409

Median household income

$31,715

Per capita income

$390,400

Median home value

$2,100

Median monthly rent

74.3%

Home ownership

15.0%

Poverty rate

5.0%

Unemployment

3,983

Housing units

20.6%

Bachelor's or higher

Age distribution

Male Female

563

Under 5

553

634

5–9

623

822

10–14

808

646

15–19

635

698

20–24

686

1,208

25–34

1,187

1,199

35–44

1,179

1,343

45–54

1,321

670

55–59

659

455

60–64

448

653

65–74

642

247

75–84

242

118

85+

116

← Male

Female →

Age summary

Group	Count	%
Under 18	4,523	24.6%
18 and over	13,832	75.4%
65 and over	2,018	11.0%
Median age	36.1 years

Race & ethnicity

Black or African American 43.5%

Hispanic or Latino 21%

Other race 13.9%

Two or more races 10.7%

White 9.1%

Asian 1.7%

Group	Count	%
Black or African American	10,114	43.5%
Hispanic or Latino	4,879	21%
Other race	3,236	13.9%
Two or more races	2,480	10.7%
White	2,117	9.1%
Asian	401	1.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.9%	22.6%	37.0%
$50k – $100k	25.1%	24.7%	27.0%
$100k – $200k	30.9%	34.6%	24.4%
Over $200k	13.1%	18.0%	11.5%

Under $10k 7.3%

$10k–$15k 4.3%

$15k–$25k 4.2%

$25k–$35k 5.1%

$35k–$50k 8.1%

$50k–$75k 14.0%

$75k–$100k 11.1%

$100k–$150k 19.2%

$150k–$200k 13.3%

$200k+ 13.3%

Range	% of households
Under $10k	7.3%
$10k–$15k	4.3%
$15k–$25k	4.2%
$25k–$35k	5.1%
$35k–$50k	8.1%
$50k–$75k	14.0%
$75k–$100k	11.1%
$100k–$150k	19.2%
$150k–$200k	13.3%
$200k+	13.3%
Median income	$94,409

Housing

Home values

Under $50k 3.3%

$50k–$100k 0.6%

$100k–$150k 2.3%

$150k–$200k 3.8%

$200k–$300k 17.3%

$300k–$500k 47.3%

$500k–$1M 24.0%

$1M+ 1.5%

Housing overview

Metric	Value
Median home value	$390,400
Median rent / month	$2,100
Owner occupied	74.3%
Renter occupied	25.7%
Vacant	5.0%
Single-family detached	75.3%
Large apartment buildings	3.7%
Mobile homes	5.1%
Median rooms	6.0
Avg household size (owned)	3.66

Year built

Era	%
2020 or later	0.4%
2010–2019	4.9%
2000–2009	6.0%
1990–1999	11.0%
1980–1989	19.1%
1970–1979	17.6%
1960–1969	16.8%
1950–1959	16.7%
1940–1949	3.6%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	14.0%
2 bedrooms	18.6%
3 bedrooms	24.0%
4 bedrooms	27.9%
5+ bedrooms	14.5%

Vehicles per household

Vehicles	% of households
No vehicle	18.9%
1 vehicle	31.2%
2 vehicles	22.6%
3 or more	27.3%

Heating fuel

Fuel type	%
Utility gas	27.1%
Electricity	14.5%
Propane / LP gas	3.7%
Fuel oil	54.1%
Solar	0.2%

Households & families

Household type	Count	%
Married-couple family	1,937	38.7%
Cohabiting couple	361	7.2%
Male householder, no spouse	1,256	25.1%
Female householder, no spouse	1,450	29.0%
Households with children under 18	1,831	36.6%
Households with seniors (65+)	1,630	32.6%
Average household size	3.64

Marital status

Status	Male	Female
Never married	52.7%	44.7%
Married	35.4%	32.4%
Separated	1.9%	5.1%
Widowed	1.8%	7.6%
Divorced	8.2%	10.2%

Education

Less than 9th grade 17.6%

Some HS, no diploma 9.8%

HS graduate 30.9%

Some college, no degree 16.0%

Associate's degree 5.0%

Bachelor's degree 12.0%

Graduate / professional 8.6%

Metric	%
HS diploma or higher	72.6%
Bachelor's or higher	20.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	164	3.4%
Kindergarten	228	4.7%
Elementary school	2,351	48.5%
High school	1,010	20.8%
College / grad school	1,092	22.5%

Employment

Industry of employment

Education & healthcare 27.2%

Retail trade 12.8%

Transportation & utilities 10.8%

Professional & management 8.5%

Manufacturing 7.3%

Arts, food & hospitality 7.2%

Other services 5.6%

Finance & real estate 4.7%

Wholesale trade 4.1%

Construction 4.0%

Public administration 3.9%

Information 3.7%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	25.5%
Service	27.9%
Sales & office	21.9%
Natural resources & construction	4.0%
Production & transportation	20.8%

Employment type

Type	%
Private sector	81.0%
Government	14.1%
Self-employed	5.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	53.8%
Carpool	8.3%
Public transit	18.3%
Walk	0.6%
Work from home	5.1%
Other means	13.9%
Avg commute (minutes)	29.1

Poverty

All people 15.0%

Under 18 years 18.4%

18 and over 13.9%

Married-couple families 3.2%

Female-led households 21.1%

Income support

Source	% of households
Social Security	37.7%
Retirement income	20.3%
Supplemental Security	13.0%
Cash public assistance	10.8%
Food stamps / SNAP	29.0%

Health indicators

Condition	%
Obesity	36.6%
High blood pressure	33.0%
High cholesterol	25.1%
Diabetes	11.4%
Heart disease	4.6%
Stroke	3.1%
Asthma	11.4%
Arthritis	17.7%
Kidney disease	2.9%
Pulmonary disease	5.0%
Cancer	4.3%

Behavior / access	%
Smoking	18.0%
Binge drinking	15.7%
No physical activity	30.0%
Less than 7 hrs sleep	43.0%
Depression	15.2%
Fair or poor health	16.4%
Poor mental health	15.2%
Poor physical health	10.0%
No health insurance	17.9%
Visited doctor (checkup)	80.6%
Visited dentist	56.3%
Cholesterol screening	90.3%
Teeth loss	17.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	661	4.8%

Disability	%
Any disability	12.7%
Under 18	2.4%
18–64 years	10.0%
65 and over	51.9%

Health insurance coverage

Type	%
Private insurance	61.2%
Public insurance	42.7%
No insurance	7.3%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,239	93.9%
Spanish	2,131	12.4%
Other Indo-European	1,629	9.4%
Asian & Pacific Islander	467	2.7%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,903	75.7%
Born in same state	13,067	71.2%
Born in different state	11,539	62.9%
Foreign born	836	4.6%
Naturalized citizen	4,452	24.3%
Not a US citizen	2,487	55.9%

Ancestry

Ancestry	Count	%
Arab	637	3.5%
Italian	233	1.3%
French	35	0.2%

Ancestry	Count	%
English	28	0.2%
German	13	0.1%
Dutch	4	0%

Technology access

Metric	% of households
Computer access	27.3%
Internet access	94.7%

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

Frequently asked questions about ZIP code 11798

What city is ZIP code 11798 in?

ZIP code 11798 is primarily assigned to Wyandanch, New York.

What county is ZIP code 11798 in?

ZIP code 11798 falls within Suffolk County, New York.

Does ZIP code 11798 have a large retiree population?

38% of households in ZIP code 11798 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 11798?

The median home value in ZIP code 11798 is $390,400.

What is the population of ZIP code 11798?

ZIP code 11798 has an estimated population of 18,355 residents, with a density of 3,686 people per square mile.

What is the median household income in ZIP code 11798?

The median household income in ZIP code 11798 is $94,409, above the national median of ~$75,000.

What timezone is ZIP code 11798 in?

ZIP code 11798 observes the EST timezone.