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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/10505

10505

ZIP 10505 is Baldwin Place, New York, in Westchester County; area codes 845, 914 and 329; Eastern time.

Type
Standard
Time zone
America/New_York
County
Westchester
Population
1,119
Coordinates
41.3421, -73.7478
☼ Live from 10505 — Baldwin Place, NY

Weather right now

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NEXRAD radar
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Local time: —

Where 10505 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 10505
  • 🔢 Type 10505 into a pocket calculator and turn it upside down: SOSOI — not quite a word, sorry.
  • ➕ As a number, 10,505 = 5 × 11 × 191. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100100001001
  • 🏠 Its numerical neighbours: 10504 (Armonk, NY, 15 mi away) and 10506 (Bedford, NY, 12 mi away).
  • 🔄 Backwards, 10505 becomes 50501 — and that is a real ZIP code: Fort Dodge, IA, 1,051 miles away.
  • 👥 18 other ZIP codes are made of exactly the same digits (01505, 01550, 05051, 05150, 05501, 10055, …). The farthest-flung twin is 51050 in Remsen, IA, 1,140 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther east than 91%.
  • 🎯1,303 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 10505 and you would come out at 41.34°S, 106.25°E — 838 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 0.775 square miles of land, 10505 is bigger than 7% of ZIP codes — about 375 football fields.
🌙 The sky over 10505 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,119This ZIP1,119
Households440This ZIP440
Housing units440This ZIP440
Median age49.0This ZIP49.0New York39.8US 38.9
Median household income$153,426This ZIP$153,426New York$85,974US $80,734
Median home value$896,200This ZIP$896,200New York$423,800US $332,700
Median gross rent$1,385This ZIP$1,385New York$1,621US $1,413
Bachelor's degree or higher63.2%This ZIP63.2%
Mean commute38.2 minThis ZIP38.2 min
Population density1,443.9 / sq miThis ZIP1,443.9 / sq mi

Business and tax activity

Business establishments65This ZIP65
Employees532This ZIP532
Annual payroll$21,228,000This ZIP$21,228,000
Tax returns filed790This ZIP790
Total adjusted gross income$122,234,000This ZIP$122,234,000

Land area

Land area0.78 sq miThis ZIP0.78 sq mi
Water area0.00 sq mi

ZIP codes near 10505

ZIPCityDistance
10587 Shenorock, NY 1.0 mi
10540 Lincolndale, NY 1.5 mi
10527 Granite Springs, NY 1.8 mi
10542 Mahopac Falls, NY 2.2 mi
10535 Jefferson Valley, NY 2.4 mi
10541 Mahopac, NY 2.8 mi
10589 Somers, NY 2.9 mi
10501 Amawalk, NY 3.3 mi
10578 Purdys, NY 4.1 mi
10588 Shrub Oak, NY 4.2 mi

Find every ZIP code within 10 miles of 10505 →

Questions about this ZIP code

Where is ZIP code 10505?

10505 is in Baldwin Place, New York, in Westchester County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.3421, -73.7478.

What county is 10505 in?

10505 lies in Westchester County.

What area code is 10505?

Baldwin Place uses area codes 845, 914 and 329, from NANPA's telephone records.

What time zone is 10505 in?

10505 uses America/New_York.

How many people live in 10505?

About 1,119 people live in ZIP code 10505, in 440 households, at 1,443.9 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 10505?

$153,426 a year, against $85,974 across New York.

What ZIP codes are near 10505?

The closest are 10587 (1 mi), 10540 (1.5 mi), 10527 (1.8 mi), 10542 (2.2 mi) and 10535 (2.4 mi).

Is 10505 a PO Box ZIP code?

10505 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “10505 ZIP Code — Baldwin Place, New York (Westchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/10505

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