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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/10517

10517

ZIP 10517 is Crompond, New York, in Westchester County; area codes 914 and 845; Eastern time.

Type
Standard
Time zone
America/New_York
County
Westchester
Population
584
Coordinates
41.2985, -73.8601
☼ Live from 10517 — Crompond, NY

Weather right now

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Local time: —

Where 10517 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 10517
  • 🔢 Type 10517 into a pocket calculator and turn it upside down: LISOI — not quite a word, sorry.
  • ➕ As a number, 10,517 = 13 × 809. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100100010101
  • 🏠 Its numerical neighbours: 10516 (Cold Spring, NY, 11 mi away) and 10518 (Cross River, NY, 14 mi away).
  • 🔄 Backwards, 10517 becomes 71501, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (01571, 07511, 10157, 10175, 11507, 11570, …). The farthest-flung twin is 75101 in Bardwell, TX, 1,404 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther east than 91%.
  • 🎯1,297 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 10517 and you would come out at 41.30°S, 106.14°E — 840 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 0.352 square miles of land, 10517 is bigger than 4% of ZIP codes — about 170 football fields.
🌙 The sky over 10517 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population584This ZIP584
Households191This ZIP191
Housing units213This ZIP213
Median age52.6This ZIP52.6New York39.8US 38.9
Median household income$117,009This ZIP$117,009New York$85,974US $80,734
Median home value$616,300This ZIP$616,300New York$423,800US $332,700
Median gross rent$1,600This ZIP$1,600New York$1,621US $1,413
Bachelor's degree or higher37.2%This ZIP37.2%
Mean commute49.1 minThis ZIP49.1 min
Population density1,659.1 / sq miThis ZIP1,659.1 / sq mi

Business and tax activity

Business establishments12This ZIP12
Employees36This ZIP36
Annual payroll$1,723,000This ZIP$1,723,000

Land area

Land area0.35 sq miThis ZIP0.35 sq mi
Water area0.00 sq mi

ZIP codes near 10517

ZIPCityDistance
10547 Mohegan Lake, NY 1.3 mi
10567 Cortlandt Manor, NY 1.9 mi
10588 Shrub Oak, NY 2.8 mi
10566 Peekskill, NY 3.0 mi
10537 Lake Peekskill, NY 3.3 mi
10598 Yorktown Heights, NY 3.5 mi
10535 Jefferson Valley, NY 4.3 mi
10527 Granite Springs, NY 4.9 mi
10520 Croton On Hudson, NY 5.0 mi
10511 Buchanan, NY 5.0 mi

Find every ZIP code within 10 miles of 10517 →

Questions about this ZIP code

Where is ZIP code 10517?

10517 is in Crompond, New York, in Westchester County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.2985, -73.8601.

What county is 10517 in?

10517 lies in Westchester County.

What area code is 10517?

Crompond uses area codes 914 and 845, from NANPA's telephone records.

What time zone is 10517 in?

10517 uses America/New_York.

How many people live in 10517?

About 584 people live in ZIP code 10517, in 191 households, at 1,659.1 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 10517?

$117,009 a year, against $85,974 across New York.

What ZIP codes are near 10517?

The closest are 10547 (1.3 mi), 10567 (1.9 mi), 10588 (2.8 mi), 10566 (3 mi) and 10537 (3.3 mi).

Is 10517 a PO Box ZIP code?

10517 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “10517 ZIP Code — Crompond, New York (Westchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/10517

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