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zipcodes.pro — CITY/NY/MOUNT-SINAI

Mount Sinai ZIP code, New York

The ZIP code for Mount Sinai, NY is 11766, and its area codes are 516, 631 and 934.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
11,093
Area codes
516, 631, 934

NANPA lists no telephone rate centre for Mount Sinai itself, so these are the area codes of the nearest one, Selden (5.0 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Mount Sinai uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Mount Sinai in numbers

About 11,093 people live in Mount Sinai, in 3,996 households. The median household income is $162,188 a year, 89% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $661,200 (56% above the New York median), and median gross rent is $3,088 a month. The median age is 46.6; 50.7% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 37 minutes.

Population11,093Mount Sinai11,093
Households3,996Mount Sinai3,996
Median age46.6Mount Sinai46.6New York39.8US 38.9
Median household income$162,188Mount Sinai$162,188New York$85,974US $80,734
Median home value$661,200Mount Sinai$661,200New York$423,800US $332,700
Median gross rent$3,088Mount Sinai$3,088New York$1,621US $1,413
Bachelor's degree or higher50.7%Mount Sinai50.7%New York40.2%US 35.7%
Mean commute37.3 minMount Sinai37.3 minNew York32.6 minUS 26.4 min
Population density1,849 / sq miMount Sinai1,849 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Mount Sinai CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Mount Sinai

ZIP codes with the USPS city name Mount Sinai
ZIP City Type Population Median income Median home
11766 Mount Sinai , NY Standard 10,750 $153,235 $649,600

Other ZIP codes overlapping Mount Sinai

These ZIP codes cover part of Mount Sinai but are addressed as somewhere else.

ZIP codes overlapping Mount Sinai
ZIP City Type Population Median income Median home
11776 Port Jefferson Station , NY Standard 22,808 $120,573 $496,600
11777 Port Jefferson , NY Standard 9,396 $150,505 $680,200

Map of Mount Sinai ZIP codes

11766

The ZIP codes of Mount Sinai, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Mount Sinai

The nearest larger towns are Miller Place (11,736 people, 1.4 mi), Coram (39,539 people, 4.2 mi) and Rocky Point (13,356 people, 4.4 mi).

Towns near Mount Sinai
TownPopulationDistance
Miller Place 11,736 1.4 mi
Port Jefferson 8,091 1.7 mi
Port Jefferson Station 7,676 2.6 mi
Terryville 10,794 2.7 mi
Sound Beach 7,210 3.0 mi
East Setauket 10,149 4.1 mi
Coram 39,539 4.2 mi
Rocky Point 13,356 4.4 mi
Middle Island 11,027 5.0 mi
Setauket 4,069 5.0 mi
Selden 21,604 5.1 mi
Stony Brook University 9,530 5.7 mi
Centereach 31,839 6.0 mi
Stony Brook 12,868 6.1 mi

More nearby: every ZIP code in Suffolk County · New York ZIP codes

Cite this page

zipcodes.pro. “Mount Sinai, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/mount-sinai

Underlying data is public domain or openly licensed — sources, vintages and licences.