11747 ZIP Code — Melville, NY

Suffolk County, New York

ZIP code 11747 is located in Melville, New York, within Suffolk County. It covers approximately 12.60 square miles and serves a population of 19,605 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11747

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $720,400. Owner-occupancy is high at 89%, well above the national average.

The gap between median ($147,013) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 48% 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 32 minutes is near the national average.

Educational attainment is high — 62% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11747 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

19,605

population

12.60

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

11747 ZIP code map

Cities in ZIP code 11747

Below are the cities the US Postal Service accepts for ZIP code 11747. Using any city not on this list may result in mail delivery delays.

City	Status
Melville	Acceptable
Melville	Acceptable
Melville	Preferred

Nearby ZIP codes

11798 Wyandanch (2.9 mi) 11746 Huntington Station (3 mi) 11735 Farmingdale (3.9 mi) 11797 Woodbury (4.1 mi) 11737 Farmingdale (4.2 mi) 11729 Deer Park (4.6 mi) 11704 West Babylon (5.1 mi) 11714 Bethpage (5.3 mi) 11703 North Babylon (5.5 mi) 11724 Cold Spring Harbor (5.8 mi) 11791 Syosset (6 mi) 11740 Greenlawn (6.2 mi)

Demographics updated 06/2026

Population
Total population	19,605
Population density	1,556 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	12.60 sq mi
Water area	0.00 sq mi
Latitude	40.7851
Longitude	-73.4050
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.3%	22.6%	37.0%
$50k – $100k	22.6%	24.7%	27.0%
$100k – $200k	29.2%	34.6%	24.4%
Over $200k	24.8%	18.0%	11.5%

Demographics & statistics

19,605

Population

1,556

People per sq mi

50.0

Median age

$147,013

Median household income

$82,989

Per capita income

$720,400

Median home value

$2,877

Median monthly rent

89.3%

Home ownership

4.0%

Poverty rate

7.6%

Unemployment

7,087

Housing units

61.9%

Bachelor's or higher

Age distribution

Male Female

421

Under 5

510

480

5–9

583

462

10–14

560

377

15–19

457

330

20–24

400

818

25–34

992

1,055

35–44

1,281

1,190

45–54

1,445

508

55–59

616

829

60–64

1,005

1,013

65–74

1,229

875

75–84

1,061

501

85+

607

← Male

Female →

Age summary

Group	Count	%
Under 18	3,601	18.4%
18 and over	16,004	81.6%
65 and over	5,286	27.0%
Median age	50.0 years

Race & ethnicity

White 83.3%

Asian 5.2%

Two or more races 5.1%

Hispanic or Latino 4.3%

Black or African American 1.4%

Other race 0.7%

American Indian / Alaska Native 0.1%

Group	Count	%
White	17,066	83.3%
Asian	1,068	5.2%
Two or more races	1,037	5.1%
Hispanic or Latino	875	4.3%
Black or African American	283	1.4%
Other race	140	0.7%
American Indian / Alaska Native	11	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.3%	22.6%	37.0%
$50k – $100k	22.6%	24.7%	27.0%
$100k – $200k	29.2%	34.6%	24.4%
Over $200k	24.8%	18.0%	11.5%

Under $10k 1.5%

$10k–$15k 1.3%

$15k–$25k 4.4%

$25k–$35k 3.0%

$35k–$50k 5.1%

$50k–$75k 11.2%

$75k–$100k 9.3%

$100k–$150k 15.6%

$150k–$200k 15.7%

$200k+ 32.9%

Range	% of households
Under $10k	1.5%
$10k–$15k	1.3%
$15k–$25k	4.4%
$25k–$35k	3.0%
$35k–$50k	5.1%
$50k–$75k	11.2%
$75k–$100k	9.3%
$100k–$150k	15.6%
$150k–$200k	15.7%
$200k+	32.9%
Median income	$147,013

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.8%

$100k–$150k 2.5%

$150k–$200k 2.1%

$200k–$300k 5.8%

$300k–$500k 9.5%

$500k–$1M 54.5%

$1M+ 24.1%

Housing overview

Metric	Value
Median home value	$720,400
Median rent / month	$2,877
Owner occupied	89.3%
Renter occupied	10.7%
Vacant	4.9%
Single-family detached	58.6%
Large apartment buildings	4.0%
Mobile homes	0.0%
Median rooms	6.7
Avg household size (owned)	2.67

Year built

Era	%
2020 or later	0.0%
2010–2019	6.6%
2000–2009	26.7%
1990–1999	8.2%
1980–1989	9.2%
1970–1979	9.0%
1960–1969	14.2%
1950–1959	19.9%
1940–1949	1.8%
1939 or earlier	4.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	7.5%
2 bedrooms	25.9%
3 bedrooms	28.6%
4 bedrooms	21.4%
5+ bedrooms	16.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.0%
1 vehicle	33.4%
2 vehicles	41.0%
3 or more	20.6%

Heating fuel

Fuel type	%
Utility gas	72.6%
Electricity	6.4%
Propane / LP gas	1.8%
Fuel oil	17.0%
Wood	0.2%
Solar	0.3%

Households & families

Household type	Count	%
Married-couple family	4,252	56.7%
Cohabiting couple	332	4.4%
Male householder, no spouse	624	8.3%
Female householder, no spouse	2,293	30.6%
Households with children under 18	1,955	26.1%
Households with seniors (65+)	3,789	50.5%
Average household size	2.57

Marital status

Status	Male	Female
Never married	23.7%	21.4%
Married	61.8%	47.8%
Separated	1.0%	1.9%
Widowed	6.6%	18.0%
Divorced	7.0%	10.8%

Education

Less than 9th grade 4.1%

Some HS, no diploma 1.7%

HS graduate 11.5%

Some college, no degree 13.1%

Associate's degree 7.6%

Bachelor's degree 30.4%

Graduate / professional 31.6%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	61.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	450	12.0%
Kindergarten	111	3.0%
Elementary school	1,531	40.9%
High school	843	22.5%
College / grad school	811	21.6%

Employment

Industry of employment

Education & healthcare 28.7%

Professional & management 23.0%

Finance & real estate 13.9%

Retail trade 8.0%

Public administration 5.0%

Manufacturing 3.7%

Transportation & utilities 3.7%

Arts, food & hospitality 3.6%

Construction 2.7%

Wholesale trade 2.7%

Other services 2.5%

Information 1.9%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	62.7%
Service	6.4%
Sales & office	25.2%
Natural resources & construction	3.5%
Production & transportation	2.3%

Employment type

Type	%
Private sector	80.4%
Government	13.4%
Self-employed	6.0%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	69.8%
Carpool	6.3%
Public transit	10.1%
Walk	0.3%
Work from home	13.4%
Other means	0.1%
Avg commute (minutes)	32.1

Poverty

All people 4.0%

Under 18 years 2.4%

18 and over 4.4%

Married-couple families 0.9%

Female-led households 0.9%

Income support

Source	% of households
Social Security	48.1%
Retirement income	39.7%
Supplemental Security	1.2%
Cash public assistance	2.3%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
Obesity	24.2%
High blood pressure	30.5%
High cholesterol	33.4%
Diabetes	8.3%
Heart disease	6.0%
Stroke	2.6%
Asthma	8.8%
Arthritis	22.0%
Kidney disease	2.8%
Pulmonary disease	5.1%
Cancer	8.6%

Behavior / access	%
Smoking	10.2%
Binge drinking	15.6%
No physical activity	18.7%
Less than 7 hrs sleep	30.7%
Depression	15.1%
Fair or poor health	8.9%
Poor mental health	10.9%
Poor physical health	7.6%
No health insurance	7.4%
Visited doctor (checkup)	81.0%
Visited dentist	75.2%
Cholesterol screening	94.6%
Teeth loss	7.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	504	3.1%

Disability	%
Any disability	12.2%
Under 18	2.7%
18–64 years	8.9%
65 and over	26.0%

Health insurance coverage

Type	%
Private insurance	84.3%
Public insurance	34.9%
No insurance	1.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,674	95.3%
Spanish	735	3.9%
Other Indo-European	102	0.5%
Asian & Pacific Islander	367	2.0%
Other languages	251	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,737	90.5%
Born in same state	17,450	89.0%
Born in different state	16,028	81.8%
Foreign born	287	1.5%
Naturalized citizen	1,868	9.5%
Not a US citizen	1,425	76.3%

Ancestry

Ancestry	Count	%
Italian	2,774	14.1%
Arab	1,076	5.5%
French	615	3.1%
Irish	156	0.8%

Ancestry	Count	%
Polish	135	0.7%
English	113	0.6%
Norwegian	61	0.3%
Dutch	30	0.2%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	95.8%

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

Frequently asked questions about ZIP code 11747

What city is ZIP code 11747 in?

ZIP code 11747 is primarily assigned to Melville, New York.

What county is ZIP code 11747 in?

ZIP code 11747 falls within Suffolk County, New York.

How educated is the population of ZIP code 11747?

62% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 11747 have an older population?

27% of residents in ZIP code 11747 are 65 or older, above the national average of ~17%.

Is ZIP code 11747 mostly owner-occupied?

89% of occupied units in ZIP code 11747 are owner-occupied, well above the national average.

Does ZIP code 11747 have a large retiree population?

48% of households in ZIP code 11747 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 11747 in?

ZIP code 11747 observes the EST timezone.