US ZIP Code
11766

Mount Sinai, NY

Suffolk County  ·  New York

● Active
👥 11,481 Population ↓ 2% since 2019
💰 $157,564 Median HH Income
▲ 106% above avg ↑ 18% since 2019
🎂 47.7 Median Age ↑ 5% since 2019
🏠 $632,900 Median Home Value
▲ 127% above avg ↑ 40% since 2019
🎓 62.0% College Grads
▲ 60% above avg
📊 3.7% Unemployment
▼ 25% below avg ↓ 29% since 2019
ZIP Code Details
ZIP Code11766
CityMount Sinai
StateNew York (NY)
CountySuffolk County
Area Code363/516/631/934
Elevation160 ft
Latitude40.939219
Longitude-73.018666
TimezoneNew York (DST)
FIPS36103
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.7% (5,590) Female 51.3% (5,891) ♀

Race & Ethnicity

White: 81.9%Hispanic: 10.1%Black: 1.9%Asian: 3.8%Other: 2.2%Race
White81.9%
Hispanic10.1%
Black1.9%
Asian3.8%
Other2.2%

Age Breakdown

Under 5
4%
5–17
20%
18–24
5%
25–44
17%
45–64
26%
65+
12%

Key Indicators

Median Age47.7 yrs ↑ 5% since 2019
Avg Household Size2.95
Below Poverty1.9% ▼ 81% below avg
College Grads62.0% ▲ 60% above avg
Unemployment3.7% ▼ 25% below avg
No HS Diploma63 (0.8%)
HS Graduate1,830 (23.3%)
Some College591 (7.5%)
Associates500 (6.4%)
Bachelors847 (10.8%)
Graduate Degree4,022 (51.2%)

Education

No HS: 0.8%HS Grad: 23.3%Some College: 7.5%Associates: 6.4%Bachelors: 10.8%Graduate: 51.2%Edu
No HS0.8%
HS Grad23.3%
Some College7.5%
Associates6.4%
Bachelors10.8%
Graduate51.2%
Housing & Income

Housing Tenure

Owner: 96.9%Renter: 3.1%Tenure
Owner96.9%
Renter3.1%

Home Value Distribution

Under $50k
1%
$50k–100k
2%
$100k–150k
1%
$150k–200k
1%
$200k–300k
2%
$300k–500k
19%
Over $500k
75%

Financials

Median HH Income$157,564 ▲ 106% above avg ↑ 18% since 2019
Median Home Value$632,900 ▲ 127% above avg ↑ 40% since 2019
Home/Income Ratio4.0x (nat avg ~3.5x)
Median Rent$3,183/mo
Total Units4,040
Vacant Units177
Avg HH Size2.95

Income Distribution

Under $25k
4%
$25k–50k
7%
$50k–75k
13%
$75k–100k
6%
$100k–150k
17%
$150k–200k
13%
Over $200k
40%
Employment & Commute

How People Get to Work

Drove Alone
81%
Public Transit
3%
Walked
0%
Work From Home
15%

Commute Time

Under 15 min
21%
15–30 min
33%
30–45 min
16%
Over 45 min
31%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
4%
1960s–1970s
23%
1980s–1990s
20%
2000+
53%

Summary

Total Units4,040
Vacant177
Owner Occupied96.9%
Renter Occupied3.1%
Avg HH Size2.95
Frequently Asked Questions
ZIP code 11766 is in Mount Sinai, NY, in Suffolk County.
ZIP code 11766 is located in New York (NY).
ZIP code 11766 is in Suffolk County, NY.
ZIP 11766 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 11766 is 11,481 people (ACS 2023).
The median household income in ZIP code 11766 is $157,564 (ACS 2023).
The median home value in ZIP 11766 is $632,900 (ACS 2023).
About ZIP Code 11766

ZIP code 11766 is located in Mount Sinai, New York, within Suffolk County. With a population of 11,481, this is a lightly populated ZIP code with a mature community — the median age is 47.7 years. Economically, 11766 is a affluent ZIP code: the median household income of $157,564 is more than double the national average.

Real estate in ZIP code 11766 represents a premium housing market. The median home value of $632,900 is more than double the national average. Renters can expect to pay around $3,183 per month in median rent. Homeownership is strong here — 96.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 40% since 2019.

The population of 11766 is primarily White (81.91%). Residents are highly educated — 62.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 1.9%. Household income has grown by 18% since 2019.

The unemployment rate in 11766 stands at 3.7%, which is below the national average. About 14% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 11766 in Mount Sinai, NY is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 11,481 residents, a median household income of $157,564, and a median home value of $632,900, it offers a clear picture of life in this part of New York.