Zip code 11766: Mount Sinai, New York

Q: What city is zip code 11766?

11766 is assigned to Mount Sinai, New York. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 11766 in?

11766 is in Suffolk County, New York.

Q: What is the population of 11766?

About 10,750 people live in 11766, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 11766?

The median household income in 11766 is $153,235.

Q: What zip codes are near 11766?

The closest zip codes to 11766 are 11776, 11764, 11777, 11789, 11727.

Residential delivery areaSuffolk CountyEastern Time

Population

10,750

Median household income

$153K

U.S. $81K

Median home value

$650K

U.S. $333K

Median rent

$3,088/mo

U.S. $1,413

Median age

U.S. 38.9

Land area

6 sq mi

1,784 people/sq mi

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

About 11766

11766 is a suburban zip code in Mount Sinai, New York (Suffolk County), covering 6 sq mi of land. About 10,750 people live here, or 1,784 per square mile. The median resident is 49 years old, compared with 38.9 nationally.

The median household earns $153,235 a year, 90% above the national median of $80,734. 2.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $649,600, or 4.2 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 93% of occupied homes are lived in by their owners, and renters pay a median of $3,088 a month.

50% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 35.8 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; business and finance; and education.

How 11766 compares

Sorted from highest to lowest national percentile

Median gross rent$3,088
99th
U.S. $1,413 · NY $1,62146th of 1,367 in NY
Homeownership rate92.5%
98th
StrengthU.S. 65.2% · NY 54.3%221st of 1,673 in NY
Residents 65 and older28.4%
96th
U.S. 17.2% · NY 17.9%252nd of 1,693 in NY
Government workers25.9%
96th
U.S. 14.5% · NY 16.4%287th of 1,685 in NY
Median household income$153,235
95th
StrengthU.S. $80,734 · NY $85,974128th of 1,602 in NY
Median age49
94th
U.S. 38.9 · NY 39.8411th of 1,693 in NY
Average commute35.8 min
93rd
WeaknessU.S. 26.4 min · NY 32.6 min331st of 1,618 in NY
Per capita income$65,939
89th
StrengthU.S. $44,673 · NY $50,712245th of 1,690 in NY
Median earnings per worker$73,395
89th
StrengthU.S. $49,666 · NY $55,321253rd of 1,676 in NY
Broadband access96.3%
87th
StrengthU.S. 91% · NY 90.8%279th of 1,673 in NY
Median home value$649,600
85th
U.S. $332,700 · NY $423,800281st of 1,614 in NY
Bachelor's degree or higher50.3%
79th
U.S. 35.7% · NY 40.2%351st of 1,691 in NY
Veterans7.1%
67th
U.S. 6.2% · NY 3.7%567th of 1,693 in NY
Rent-burdened renters54.6%
65th
U.S. 51.1% · NY 52.1%571st of 1,579 in NY
Self-employed workers10.1%
60th
U.S. 10% · NY 9.7%800th of 1,685 in NY
Work from home13.9%
56th
U.S. 15.1% · NY 14.9%631st of 1,685 in NY
Population density1,784/sq mi
55th
U.S. 95/sq mi · NY 421/sq mi464th of 1,693 in NY
Tech workers3%
52nd
U.S. 3.8% · NY 3.5%553rd of 1,685 in NY
Foreign-born residents8.1%
43rd
U.S. 14.1% · NY 22.8%645th of 1,693 in NY
Residents under 1820.7%
37th
U.S. 22% · NY 20.5%686th of 1,693 in NY
Housing vacancy4.7%
30th
U.S. 10.1% · NY 10%1,310th of 1,675 in NY
Diversity index33.3
27th
U.S. 61.4 · NY 65.5685th of 1,693 in NY
Healthcare workers7.8%
25th
U.S. 9.7% · NY 11.8%1,204th of 1,685 in NY
Population10,750
17th
U.S. 334,922,499 · NY 19,852,366497th of 1,693 in NY
Income inequality (Gini)0.382
11th
StrengthU.S. 0.483 · NY 0.5171,261st of 1,669 in NY
Unemployment rate2.4%
9th
StrengthU.S. 5.2% · NY 6.4%1,289th of 1,685 in NY
Uninsured rate1.8%
4th
StrengthU.S. 8.4% · NY 5.1%1,292nd of 1,689 in NY
Poverty rate2.1%
1st
StrengthU.S. 12.5% · NY 14%1,559th of 1,679 in NY

Measure	11766	Suffolk	NY	U.S.	National percentile	Rank in NY
Median gross rent	$3,088	$2,255	$1,621	$1,413	99th	46th of 1,367
Homeownership rateStrength	92.5%	82.2%	54.3%	65.2%	98th	221st of 1,673
Residents 65 and older	28.4%	17.9%	17.9%	17.2%	96th	252nd of 1,693
Government workers	25.9%	18.9%	16.4%	14.5%	96th	287th of 1,685
Median household incomeStrength	$153,235	$130,686	$85,974	$80,734	95th	128th of 1,602
Median age	49	41.7	39.8	38.9	94th	411th of 1,693
Average commuteWeakness	35.8 min	31.1 min	32.6 min	26.4 min	93rd	331st of 1,618
Per capita incomeStrength	$65,939	$57,164	$50,712	$44,673	89th	245th of 1,690
Median earnings per workerStrength	$73,395	$61,833	$55,321	$49,666	89th	253rd of 1,676
Broadband accessStrength	96.3%	93.2%	90.8%	91%	87th	279th of 1,673
Median home value	$649,600	$578,400	$423,800	$332,700	85th	281st of 1,614
Bachelor's degree or higher	50.3%	40.2%	40.2%	35.7%	79th	351st of 1,691
Veterans	7.1%	4%	3.7%	6.2%	67th	567th of 1,693
Rent-burdened renters	54.6%	58.8%	52.1%	51.1%	65th	571st of 1,579
Self-employed workers	10.1%	10%	9.7%	10%	60th	800th of 1,685
Work from home	13.9%	12%	14.9%	15.1%	56th	631st of 1,685
Population density	1,784/sq mi	1,680/sq mi	421/sq mi	95/sq mi	55th	464th of 1,693
Tech workers	3%	2.4%	3.5%	3.8%	52nd	553rd of 1,685
Foreign-born residents	8.1%	16.8%	22.8%	14.1%	43rd	645th of 1,693
Residents under 18	20.7%	20.8%	20.5%	22%	37th	686th of 1,693
Housing vacancy	4.7%	11.7%	10%	10.1%	30th	1,310th of 1,675
Diversity index	33.3	55.6	65.5	61.4	27th	685th of 1,693
Healthcare workers	7.8%	11%	11.8%	9.7%	25th	1,204th of 1,685
Population	10,750	1,530,146	19,852,366	334,922,499	17th	497th of 1,693
Income inequality (Gini)Strength	0.382	0.442	0.517	0.483	11th	1,261st of 1,669
Unemployment rateStrength	2.4%	4.7%	6.4%	5.2%	9th	1,289th of 1,685
Uninsured rateStrength	1.8%	4.7%	5.1%	8.4%	4th	1,292nd of 1,689
Poverty rateStrength	2.1%	6.4%	14%	12.5%	1st	1,559th of 1,679

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

18%

5–17

18–24

25–34

12%

35–44

15%

45–54

12%

55–64

16%

65–74

13%

75+

Median age

Under 18

20.7%

65 and over

28.4%

Race and ethnicity

White81%
Black2%
Hispanic11%
Asian3%
Native American0%
Pacific Islander0%
Other0.0%
Multiracial3%

Diversity index

33.3

U.S. 61.4

Foreign-born

8.1%

U.S. 14.1%

Born in state

84.6%

Language spoken at home (households)

English only

85%

Spanish

Other Indo-European

Asian / Pacific

Other

0.6%

Households

Households: 3,934
Average household size: 2.7
Family households: 78.9%
Married couples: 73.9%
Living alone: 19.6%
Veterans (of adults): 7.1%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

12%

$75–100k

$100–150k

19%

$150–200k

15%

$200k+

37%

Median household income

11766

$153,235

Suffolk Co.

$130,686

New York

$85,974

United States

$80,734

Per capita income

$65,939

U.S. $44,673

Poverty rate

2.1%

U.S. 12.5%

Households earning $150K+

51.7%

U.S. 23%

Income inequality (Gini)

0.382

U.S. 0.483

Housing

Median home value

11766

$649,600

Suffolk Co.

$578,400

New York

$423,800

United States

$332,700

Median gross rent

11766

$3,088

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

Boat, RV, van

Housing units: 4,130
Owner-occupied: 92.5%
Vacant: 4.7%
Median year built: 1985
Median rooms: 7.3
Renters paying 30%+ of income: 54.6%
Renters paying 50%+ of income: 44.3%
Home value to income: 4.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

72%

Carpooled

Transit

Walked

0.9%

Bicycle

Worked from home

14%

Other

Commute time (one way)

<10 min

10–19

19%

20–29

18%

30–44

23%

45–59

14%

60+

18%

Average commute

35.8 min

U.S. 26.4 min

Unemployment

2.4%

U.S. 5.2%

In labor force

57.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Business and finance

12%

Education

12%

Sales

Healthcare

Construction and repair

Office and admin

Food service

Cleaning and personal care

Legal and social services

Transportation and moving

Production

Computer and math

Engineering and science

Police and fire

Arts, media and sports

0.7%

Farming, fishing and forestry

Industries

Health care and social assistance

20%

Education

17%

Retail

10%

Finance, insurance and real estate

Professional and technical services

Construction

Restaurants and hotels

Manufacturing

Other services

Transportation, warehousing and utilities

Admin, support and management

Public administration

Wholesale

Information

Agriculture and mining

0.3%

Arts and recreation

0.1%

Median earnings per worker

$73,395

U.S. $49,666

Self-employed

10.1%

U.S. 10%

Government workers

25.9%

U.S. 14.5%

Nonprofit workers

7.8%

U.S. 8.8%

Median earnings by type of work

Type of work	11766	U.S.
Management, business, science and arts	$100,370	$74,888
Service	$30,329	$26,804
Sales and office	$48,864	$40,476
Construction and maintenance	$73,324	$49,199
Production and transportation	$59,286	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

21%

Some college

13%

Associate's

11%

Bachelor's

25%

Graduate

25%

High school graduate or higher: 95.7%
Bachelor's degree or higher: 50.3%
Graduate or professional degree: 25.1%
Households with broadband: 96.3%
Cable, fiber or DSL: 86.9%
No internet access: 2.7%
Without health insurance: 1.8%
Limited-English households: 0.3%

Geography

City (USPS): Mount Sinai
State: New York
County: Suffolk County
Center point: 40.9392° N, 73.0187° W
Land area: 6 sq mi
Water area: 1.4 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Mount Sinai (unincorporated)95% of zip
Coram (unincorporated)4% of zip
Miller Place (unincorporated)1% of zip

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

Zip codes near 11766

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
11776	Port Jefferson Station, NY	2.3 mi	22,808	$120,573	$496,600
11764	Miller Place, NY	2.5 mi	12,551	$146,813	$615,900
11777	Port Jefferson, NY	2.8 mi	9,396	$150,505	$680,200
11789	Sound Beach, NY	2.9 mi	7,369	$131,528	$428,500
11727	Coram, NY	4.2 mi	28,495	$103,287	$443,200
11778	Rocky Point, NY	4.3 mi	12,390	$126,349	$456,500
11953	Middle Island, NY	4.8 mi	12,846	$86,206	$397,800
11733	East Setauket, NY	4.9 mi	17,752	$173,281	$683,400
11784	Selden, NY	5 mi	26,244	$104,369	$460,300
11794	Stony Brook, NY	5.7 mi	831	—	—
11720	Centereach, NY	5.8 mi	29,292	$134,898	$518,600
11790	Stony Brook, NY	6.1 mi	21,074	$171,133	$624,000

Zip codes like 11766 elsewhere

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

Questions about 11766

What city is zip code 11766?

11766 is assigned to Mount Sinai, New York. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 11766 in?

11766 is in Suffolk County, New York.

What is the population of 11766?

About 10,750 people live in 11766, according to the Census Bureau's American Community Survey.

What time zone is 11766 in?

11766 is in Eastern Time.

What is the median household income in 11766?

The median household income in 11766 is $153,235.

What zip codes are near 11766?

The closest zip codes to 11766 are 11776, 11764, 11777, 11789, 11727.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 11766, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.