Zip code 11787: Smithtown, New York

Q: What city is zip code 11787?

11787 is assigned to Smithtown, New York. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 11787 in?

11787 is in Suffolk County, New York.

Q: What is the population of 11787?

About 34,499 people live in 11787, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 11787?

The median household income in 11787 is $143,101.

Q: What zip codes are near 11787?

The closest zip codes to 11787 are 11788, 11754, 11767, 11725, 11749.

Residential delivery areaSuffolk CountyEastern Time

Population

34,499

Median household income

$143K

U.S. $81K

Median home value

$680K

U.S. $333K

Median rent

$2,330/mo

U.S. $1,413

Median age

46.3

U.S. 38.9

Land area

15 sq mi

2,316 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 11787

11787 is a suburban zip code in Smithtown, New York (Suffolk County), covering 15 sq mi of land. About 34,499 people live here, or 2,316 per square mile. The median resident is 46.3 years old, compared with 38.9 nationally.

The median household earns $143,101 a year, 77% above the national median of $80,734. 4.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $679,800, or 4.8 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 87% of occupied homes are lived in by their owners, and renters pay a median of $2,330 a month.

53% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 32.4 minutes each way, and 19% of workers work from home. The most common jobs among working residents are in sales; office and administrative support; and healthcare.

How 11787 compares

Sorted from highest to lowest national percentile

Median household income$143,101
93rd
StrengthU.S. $80,734 · NY $85,974174th of 1,602 in NY
Median gross rent$2,330
93rd
U.S. $1,413 · NY $1,621152nd of 1,367 in NY
Homeownership rate87.3%
92nd
StrengthU.S. 65.2% · NY 54.3%447th of 1,673 in NY
Median earnings per worker$74,632
90th
StrengthU.S. $49,666 · NY $55,321234th of 1,676 in NY
Median age46.3
89th
U.S. 38.9 · NY 39.8585th of 1,693 in NY
Per capita income$62,426
87th
StrengthU.S. $44,673 · NY $50,712293rd of 1,690 in NY
Median home value$679,800
87th
U.S. $332,700 · NY $423,800240th of 1,614 in NY
Government workers21.1%
87th
U.S. 14.5% · NY 16.4%587th of 1,685 in NY
Healthcare workers12.6%
86th
U.S. 9.7% · NY 11.8%469th of 1,685 in NY
Average commute32.4 min
85th
WeaknessU.S. 26.4 min · NY 32.6 min488th of 1,618 in NY
Bachelor's degree or higher52.9%
83rd
StrengthU.S. 35.7% · NY 40.2%297th of 1,691 in NY
Broadband access95.6%
81st
StrengthU.S. 91% · NY 90.8%356th of 1,673 in NY
Work from home18.6%
74th
U.S. 15.1% · NY 14.9%359th of 1,685 in NY
Rent-burdened renters56.3%
71st
U.S. 51.1% · NY 52.1%504th of 1,579 in NY
Residents 65 and older19.5%
71st
U.S. 17.2% · NY 17.9%882nd of 1,693 in NY
Population density2,316/sq mi
60th
U.S. 95/sq mi · NY 421/sq mi420th of 1,693 in NY
Self-employed workers10.1%
60th
U.S. 10% · NY 9.7%801st of 1,685 in NY
Population34,499
58th
U.S. 334,922,499 · NY 19,852,366181st of 1,693 in NY
Foreign-born residents9.3%
48th
U.S. 14.1% · NY 22.8%589th of 1,693 in NY
Tech workers2.8%
48th
U.S. 3.8% · NY 3.5%611th of 1,685 in NY
Veterans5.5%
45th
U.S. 6.2% · NY 3.7%841st of 1,693 in NY
Diversity index37.1
32nd
U.S. 61.4 · NY 65.5618th of 1,693 in NY
Residents under 1820%
31st
U.S. 22% · NY 20.5%792nd of 1,693 in NY
Income inequality (Gini)0.405
24th
U.S. 0.483 · NY 0.5171,029th of 1,669 in NY
Unemployment rate3.4%
23rd
U.S. 5.2% · NY 6.4%1,097th of 1,685 in NY
Poverty rate4.8%
11th
StrengthU.S. 12.5% · NY 14%1,347th of 1,679 in NY
Uninsured rate2.2%
6th
StrengthU.S. 8.4% · NY 5.1%1,196th of 1,689 in NY
Housing vacancy2.3%
5th
U.S. 10.1% · NY 10%1,530th of 1,675 in NY

Measure	11787	Suffolk	NY	U.S.	National percentile	Rank in NY
Median household incomeStrength	$143,101	$130,686	$85,974	$80,734	93rd	174th of 1,602
Median gross rent	$2,330	$2,255	$1,621	$1,413	93rd	152nd of 1,367
Homeownership rateStrength	87.3%	82.2%	54.3%	65.2%	92nd	447th of 1,673
Median earnings per workerStrength	$74,632	$61,833	$55,321	$49,666	90th	234th of 1,676
Median age	46.3	41.7	39.8	38.9	89th	585th of 1,693
Per capita incomeStrength	$62,426	$57,164	$50,712	$44,673	87th	293rd of 1,690
Median home value	$679,800	$578,400	$423,800	$332,700	87th	240th of 1,614
Government workers	21.1%	18.9%	16.4%	14.5%	87th	587th of 1,685
Healthcare workers	12.6%	11%	11.8%	9.7%	86th	469th of 1,685
Average commuteWeakness	32.4 min	31.1 min	32.6 min	26.4 min	85th	488th of 1,618
Bachelor's degree or higherStrength	52.9%	40.2%	40.2%	35.7%	83rd	297th of 1,691
Broadband accessStrength	95.6%	93.2%	90.8%	91%	81st	356th of 1,673
Work from home	18.6%	12%	14.9%	15.1%	74th	359th of 1,685
Rent-burdened renters	56.3%	58.8%	52.1%	51.1%	71st	504th of 1,579
Residents 65 and older	19.5%	17.9%	17.9%	17.2%	71st	882nd of 1,693
Population density	2,316/sq mi	1,680/sq mi	421/sq mi	95/sq mi	60th	420th of 1,693
Self-employed workers	10.1%	10%	9.7%	10%	60th	801st of 1,685
Population	34,499	1,530,146	19,852,366	334,922,499	58th	181st of 1,693
Foreign-born residents	9.3%	16.8%	22.8%	14.1%	48th	589th of 1,693
Tech workers	2.8%	2.4%	3.5%	3.8%	48th	611th of 1,685
Veterans	5.5%	4%	3.7%	6.2%	45th	841st of 1,693
Diversity index	37.1	55.6	65.5	61.4	32nd	618th of 1,693
Residents under 18	20%	20.8%	20.5%	22%	31st	792nd of 1,693
Income inequality (Gini)	0.405	0.442	0.517	0.483	24th	1,029th of 1,669
Unemployment rate	3.4%	4.7%	6.4%	5.2%	23rd	1,097th of 1,685
Poverty rateStrength	4.8%	6.4%	14%	12.5%	11th	1,347th of 1,679
Uninsured rateStrength	2.2%	4.7%	5.1%	8.4%	6th	1,196th of 1,689
Housing vacancy	2.3%	11.7%	10%	10.1%	5th	1,530th of 1,675

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

15%

5–17

10%

18–24

25–34

10%

35–44

14%

45–54

17%

55–64

65–74

10%

75+

Median age

46.3

Under 18

20%

65 and over

19.5%

Race and ethnicity

White78%
Black1%
Hispanic11%
Asian5%
Native American0%
Pacific Islander0%
Other0.3%
Multiracial4%

Diversity index

37.1

U.S. 61.4

Foreign-born

9.3%

U.S. 14.1%

Born in state

83.7%

Language spoken at home (households)

English only

84%

Spanish

Other Indo-European

Asian / Pacific

Other

0.7%

Households

Households: 11,857
Average household size: 2.8
Family households: 74.7%
Married couples: 62.1%
Living alone: 22%
Veterans (of adults): 5.5%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

11%

$100–150k

19%

$150–200k

15%

$200k+

33%

Median household income

11787

$143,101

Suffolk Co.

$130,686

New York

$85,974

United States

$80,734

Per capita income

$62,426

U.S. $44,673

Poverty rate

4.8%

U.S. 12.5%

Households earning $150K+

47.9%

U.S. 23%

Income inequality (Gini)

0.405

U.S. 0.483

Housing

Median home value

11787

$679,800

Suffolk Co.

$578,400

New York

$423,800

United States

$332,700

Median gross rent

11787

$2,330

Suffolk Co.

$2,255

New York

$1,621

United States

$1,413

Types of housing

Single-family

91%

2–4 units

5–19 units

20+ units

Mobile home

0.2%

Boat, RV, van

0.1%

Housing units: 12,136
Owner-occupied: 87.3%
Vacant: 2.3%
Median year built: 1967
Median rooms: 7.2
Renters paying 30%+ of income: 56.3%
Renters paying 50%+ of income: 24.3%
Home value to income: 4.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

Walked

0.3%

Bicycle

Worked from home

19%

Other

0.6%

Commute time (one way)

<10 min

10%

10–19

21%

20–29

23%

30–44

24%

45–59

60+

16%

Average commute

32.4 min

U.S. 26.4 min

Unemployment

3.4%

U.S. 5.2%

In labor force

65%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

14%

Office and admin

13%

Healthcare

13%

Management

12%

Education

10%

Business and finance

Construction and repair

Police and fire

Cleaning and personal care

Engineering and science

Legal and social services

Computer and math

Transportation and moving

Food service

Arts, media and sports

Production

0.7%

Farming, fishing and forestry

Industries

Health care and social assistance

15%

Education

14%

Retail

13%

Professional and technical services

Finance, insurance and real estate

Construction

Manufacturing

Public administration

Other services

Admin, support and management

Transportation, warehousing and utilities

Restaurants and hotels

Arts and recreation

Wholesale

Information

Agriculture and mining

Median earnings per worker

$74,632

U.S. $49,666

Self-employed

10.1%

U.S. 10%

Government workers

21.1%

U.S. 14.5%

Nonprofit workers

7.2%

U.S. 8.8%

Median earnings by type of work

Type of work	11787	U.S.
Management, business, science and arts	$104,282	$74,888
Service	$29,457	$26,804
Sales and office	$48,998	$40,476
Construction and maintenance	$81,116	$49,199
Production and transportation	$42,917	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

20%

Some college

14%

Associate's

10%

Bachelor's

30%

Graduate

23%

High school graduate or higher: 96.5%
Bachelor's degree or higher: 52.9%
Graduate or professional degree: 22.6%
Households with broadband: 95.6%
Cable, fiber or DSL: 84.7%
No internet access: 3.3%
Without health insurance: 2.2%
Limited-English households: 0.8%

Geography

City (USPS): Smithtown
State: New York
County: Suffolk County
Center point: 40.8529° N, 73.2113° W
Land area: 15 sq mi
Water area: 0.7 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Smithtown (unincorporated)72% of zip
Hauppauge (unincorporated)12% of zip
Village of the Branch6% of zip
Nesconset (unincorporated)4% of zip
Commack (unincorporated)3% of zip
St. James (unincorporated)3% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 11787

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
11788	Hauppauge, NY	2.4 mi	17,374	$149,726	$653,900
11754	Kings Park, NY	3 mi	17,565	$123,393	$624,700
11767	Nesconset, NY	3.4 mi	14,964	$152,985	$637,900
11725	Commack, NY	3.7 mi	29,073	$168,281	$670,000
11749	Islandia, NY	3.8 mi	3,600	$116,313	$477,400
11780	Saint James, NY	4.5 mi	15,018	$144,577	$723,200
11722	Central Islip, NY	4.9 mi	39,033	$114,049	$436,600
11755	Lake Grove, NY	4.9 mi	12,144	$119,364	$601,600
11717	Brentwood, NY	5.2 mi	—	—	—
11731	East Northport, NY	5.6 mi	29,999	$161,132	$646,600
11779	Ronkonkoma, NY	5.8 mi	38,206	$112,180	$487,300
11790	Stony Brook, NY	5.8 mi	21,074	$171,133	$624,000

Zip codes like 11787 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 11787

What city is zip code 11787?

11787 is assigned to Smithtown, New York. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 11787 in?

11787 is in Suffolk County, New York.

What is the population of 11787?

About 34,499 people live in 11787, according to the Census Bureau's American Community Survey.

What time zone is 11787 in?

11787 is in Eastern Time.

What is the median household income in 11787?

The median household income in 11787 is $143,101.

What zip codes are near 11787?

The closest zip codes to 11787 are 11788, 11754, 11767, 11725, 11749.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 11787, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.