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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/10921

10921

ZIP 10921 is Florida, New York, in Orange County; area code 845; Eastern time.

Type
Standard
Time zone
America/New_York
County
Orange
Population
4,231
Coordinates
41.3321, -74.3634
☼ Live from 10921 — Florida, NY

Weather right now

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NEXRAD radar
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Local time: —

Where 10921 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 10921
  • 🔢 Type 10921 into a pocket calculator and turn it upside down: IZGOI — not quite a word, sorry.
  • ➕ As a number, 10,921 = 67 × 163. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10101010101001
  • 🏠 Its numerical neighbours: 10920 (Congers, NY, 25 mi away) and 10922 (Fort Montgomery, NY, 20 mi away).
  • 🔄 Backwards, 10921 becomes 12901 — and that is a real ZIP code: Plattsburgh, NY, 238 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (01129, 01921, 02119, 02191, 02911, 09112, …). The farthest-flung twin is 09112 in APO AE, a military post office, 3,894 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther east than 89%.
  • 🎯1,271 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 10921 and you would come out at 41.33°S, 105.64°E — 860 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 8.3 square miles of land, 10921 is bigger than 25% of ZIP codes — room for about 6.3 Central Parks.
🌙 The sky over 10921 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,231This ZIP4,231
Households1,517This ZIP1,517
Housing units1,550This ZIP1,550
Median age39.2This ZIP39.2New York39.8US 38.9
Median household income$115,221This ZIP$115,221New York$85,974US $80,734
Median home value$387,300This ZIP$387,300New York$423,800US $332,700
Median gross rent$1,861This ZIP$1,861New York$1,621US $1,413
Bachelor's degree or higher31.5%This ZIP31.5%
Mean commute30.6 minThis ZIP30.6 min
Population density512.5 / sq miThis ZIP512.5 / sq mi

Business and tax activity

Business establishments162This ZIP162
Employees1,591This ZIP1,591
Annual payroll$103,170,000This ZIP$103,170,000
Tax returns filed2,270This ZIP2,270
Total adjusted gross income$211,518,000This ZIP$211,518,000

Land area

Land area8.26 sq miThis ZIP8.26 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 10921

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

ZIP codes near 10921

ZIPCityDistance
10924 Goshen, NY 3.4 mi
10981 Sugar Loaf, NY 3.9 mi
10990 Warwick, NY 4.5 mi
10958 New Hampton, NY 4.5 mi
10918 Chester, NY 5.3 mi
10912 Bellvale, NY 6.3 mi
10973 Slate Hill, NY 6.9 mi
10969 Pine Island, NY 7.0 mi
10959 New Milford, NY 7.2 mi
10933 Johnson, NY 8.1 mi

Find every ZIP code within 10 miles of 10921 →

Questions about this ZIP code

Where is ZIP code 10921?

10921 is in Florida, New York, in Orange County, part of the Kiryas Joel-Poughkeepsie-Newburgh, NY metropolitan area. Its published point location is 41.3321, -74.3634.

What county is 10921 in?

10921 lies in Orange County.

What area code is 10921?

Florida uses area code 845, from NANPA's telephone records.

What time zone is 10921 in?

10921 uses America/New_York.

How many people live in 10921?

About 4,231 people live in ZIP code 10921, in 1,517 households, at 512.5 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 10921?

$115,221 a year, against $85,974 across New York.

What ZIP codes are near 10921?

The closest are 10924 (3.4 mi), 10981 (3.9 mi), 10990 (4.5 mi), 10958 (4.5 mi) and 10918 (5.3 mi).

Is 10921 a PO Box ZIP code?

10921 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “10921 ZIP Code — Florida, New York (Orange County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/10921

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