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zipcodes.pro — ZIP/11780

11780

ZIP 11780 is Saint James, New York, in Suffolk County; area codes 631 and 934; Eastern time.

Type
Standard
Time zone
America/New_York
County
Suffolk
Population
15,018
Coordinates
40.9111, -73.1725
☼ Live from 11780 — Saint James, NY

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Local time: —

Where 11780 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 11780
  • 🔢 Type 11780 into a pocket calculator and turn it upside down: OBLII — not quite a word, sorry.
  • ➕ As a number, 11,780 = 2 × 2 × 5 × 19 × 31. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000000100
  • 🏠 Its numerical neighbours: 11779 (Ronkonkoma, NY, 7 mi away) and 11782 (Sayville, NY, 13 mi away).
  • 🔄 Backwards, 11780 becomes 08711, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (01718, 10178, 17018, 17081, 17108, 17801, …). The farthest-flung twin is 87101 in Albuquerque, NM, 1,854 miles away.
  • 🧭 Farther north than 66% of all ZIP codes, and farther east than 93%.
  • 🎯1,335 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 11780 and you would come out at 40.91°S, 106.83°E — 796 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
  • 📏 At 11.5 square miles of land, 11780 is bigger than 29% of ZIP codes — room for about 8.7 Central Parks.
🌙 The sky over 11780 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population15,018This ZIP15,018
Households5,459This ZIP5,459
Housing units5,795This ZIP5,795
Median age47.4This ZIP47.4New York39.8US 38.9
Median household income$144,577This ZIP$144,577New York$85,974US $80,734
Median home value$723,200This ZIP$723,200New York$423,800US $332,700
Median gross rent$2,316This ZIP$2,316New York$1,621US $1,413
Bachelor's degree or higher52.1%This ZIP52.1%
Mean commute30.7 minThis ZIP30.7 min
Population density1,305.6 / sq miThis ZIP1,305.6 / sq mi

Business and tax activity

Business establishments557This ZIP557
Employees6,761This ZIP6,761
Annual payroll$379,962,000This ZIP$379,962,000
Tax returns filed8,190This ZIP8,190
Total adjusted gross income$2,059,757,000This ZIP$2,059,757,000

Land area

Land area11.50 sq miThis ZIP11.50 sq mi
Water area3.95 sq miThis ZIP3.95 sq mi

Other place names in 11780

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

ZIP codes near 11780

ZIPCityDistance
11790 Stony Brook, NY 2.4 mi
11794 Stony Brook, NY 2.5 mi
11733 East Setauket, NY 3.7 mi
11754 Kings Park, NY 4.4 mi
11787 Smithtown, NY 4.5 mi
11767 Nesconset, NY 4.6 mi
11755 Lake Grove, NY 4.7 mi
11720 Centereach, NY 5.5 mi
11777 Port Jefferson, NY 6.3 mi
11776 Port Jefferson Station, NY 6.6 mi

Find every ZIP code within 10 miles of 11780 →

Questions about this ZIP code

Where is ZIP code 11780?

11780 is in Saint James, New York, in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9111, -73.1725.

What county is 11780 in?

11780 lies in Suffolk County.

What area code is 11780?

Saint James uses area codes 631 and 934, from NANPA's telephone records.

What time zone is 11780 in?

11780 uses America/New_York.

How many people live in 11780?

About 15,018 people live in ZIP code 11780, in 5,459 households, at 1,305.6 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 11780?

$144,577 a year, against $85,974 across New York.

What ZIP codes are near 11780?

The closest are 11790 (2.4 mi), 11794 (2.5 mi), 11733 (3.7 mi), 11754 (4.4 mi) and 11787 (4.5 mi).

Is 11780 a PO Box ZIP code?

11780 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “11780 ZIP Code — Saint James, New York (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11780

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