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zipcodes.pro — ZIP/11766

11766

ZIP 11766 is Mount Sinai, New York, in Suffolk County; area codes 516, 631 and 934; Eastern time.

Type
Standard
Time zone
America/New_York
County
Suffolk
Population
10,750
Coordinates
40.9392, -73.0187
☼ Live from 11766 — Mount Sinai, NY

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Where 11766 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 11766
  • 🔢 Type 11766 into a pocket calculator and turn it upside down: ggLII — not quite a word, sorry.
  • ➕ As a number, 11,766 = 2 × 3 × 37 × 53. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110111110110
  • 🏠 Its numerical neighbours: 11765 (Mill Neck, NY, 28 mi away) and 11767 (Nesconset, NY, 9 mi away).
  • 🔄 Backwards, 11766 becomes 66711 — and that is a real ZIP code: Arcadia, KS, 1,178 miles away.
  • 👥 9 other ZIP codes are made of exactly the same digits (16617, 16671, 61761, 66117, 66711, 71166, …). The farthest-flung twin is 76116 in Fort Worth, TX, 1,459 miles away.
  • 🧭 Farther north than 66% of all ZIP codes, and farther east than 93%.
  • 🎯1,343 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 11766 and you would come out at 40.94°S, 106.98°E — 792 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
  • 📏 At 6.0 square miles of land, 11766 is bigger than 21% of ZIP codes — room for about 4.6 Central Parks.
🌙 The sky over 11766 today
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🌋 Shake report
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Source: USGS.

People and housing

Population10,750This ZIP10,750
Households3,934This ZIP3,934
Housing units4,130This ZIP4,130
Median age49.0This ZIP49.0New York39.8US 38.9
Median household income$153,235This ZIP$153,235New York$85,974US $80,734
Median home value$649,600This ZIP$649,600New York$423,800US $332,700
Median gross rent$3,088This ZIP$3,088New York$1,621US $1,413
Bachelor's degree or higher50.3%This ZIP50.3%
Mean commute35.8 minThis ZIP35.8 min
Population density1,783.6 / sq miThis ZIP1,783.6 / sq mi

Business and tax activity

Business establishments345This ZIP345
Employees1,814This ZIP1,814
Annual payroll$79,987,000This ZIP$79,987,000
Tax returns filed6,630This ZIP6,630
Total adjusted gross income$969,313,000This ZIP$969,313,000

Land area

Land area6.03 sq miThis ZIP6.03 sq mi
Water area1.44 sq miThis ZIP1.44 sq mi

Other place names in 11766

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 11766

ZIPCityDistance
11776 Port Jefferson Station, NY 2.3 mi
11764 Miller Place, NY 2.5 mi
11777 Port Jefferson, NY 2.8 mi
11789 Sound Beach, NY 2.9 mi
11727 Coram, NY 4.2 mi
11778 Rocky Point, NY 4.3 mi
11953 Middle Island, NY 4.8 mi
11733 East Setauket, NY 4.9 mi
11784 Selden, NY 5.0 mi
11794 Stony Brook, NY 5.7 mi

Find every ZIP code within 10 miles of 11766 →

Questions about this ZIP code

Where is ZIP code 11766?

11766 is in Mount Sinai, New York, in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9392, -73.0187.

What county is 11766 in?

11766 lies in Suffolk County.

What area code is 11766?

Mount Sinai uses area codes 516, 631 and 934, from NANPA's telephone records.

What time zone is 11766 in?

11766 uses America/New_York.

How many people live in 11766?

About 10,750 people live in ZIP code 11766, in 3,934 households, at 1,783.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 11766?

$153,235 a year, against $85,974 across New York.

What ZIP codes are near 11766?

The closest are 11776 (2.3 mi), 11764 (2.5 mi), 11777 (2.8 mi), 11789 (2.9 mi) and 11727 (4.2 mi).

Is 11766 a PO Box ZIP code?

11766 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “11766 ZIP Code — Mount Sinai, New York (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11766

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