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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/10509

10509

ZIP 10509 is Brewster, New York, mostly in Putnam County; area codes 845 and 329; Eastern time.

Type
Standard
Time zone
America/New_York
County
Putnam +1 more
Population
20,046
Coordinates
41.4109, -73.5943
☼ Live from 10509 — Brewster, NY

Weather right now

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NEXRAD radar
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Local time: —

Where 10509 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 10509
  • 🔢 Type 10509 into a pocket calculator and turn it upside down: GOSOI — not quite a word, sorry.
  • ➕ As a number, 10,509 = 3 × 31 × 113. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100100001101
  • 🏠 Its numerical neighbours: 10507 (Bedford Hills, NY, 13 mi away) and 10510 (Briarcliff Manor, NY, 23 mi away).
  • 🔄 Backwards, 10509 becomes 90501 — and that is a real ZIP code: Torrance, CA, 2,474 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (00915, 00951, 01059, 01095, 01509, 01590, …). The farthest-flung twin is 95010 in Capitola, CA, 2,574 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther east than 92%.
  • 🎯1,310 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 10509 and you would come out at 41.41°S, 106.41°E — 837 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 36.1 square miles of land, 10509 is bigger than 50% of ZIP codes — room for about 27 Central Parks.
🌙 The sky over 10509 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population20,046This ZIP20,046
Households7,595This ZIP7,595
Housing units7,936This ZIP7,936
Median age43.1This ZIP43.1New York39.8US 38.9
Median household income$116,831This ZIP$116,831New York$85,974US $80,734
Median home value$458,300This ZIP$458,300New York$423,800US $332,700
Median gross rent$1,784This ZIP$1,784New York$1,621US $1,413
Bachelor's degree or higher43.4%This ZIP43.4%
Mean commute33.8 minThis ZIP33.8 min
Population density555.7 / sq miThis ZIP555.7 / sq mi

Business and tax activity

Business establishments771This ZIP771
Employees8,706This ZIP8,706
Annual payroll$531,231,000This ZIP$531,231,000
Tax returns filed10,280This ZIP10,280
Total adjusted gross income$1,077,283,000This ZIP$1,077,283,000

Land area

Land area36.08 sq miThis ZIP36.08 sq mi
Water area3.34 sq miThis ZIP3.34 sq mi

Counties 10509 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Putnam County 99.9%
Westchester County 0.1%

Other place names in 10509

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

ZIP codes near 10509

ZIPCityDistance
10560 North Salem, NY 4.9 mi
10519 Croton Falls, NY 5.7 mi
06811 Danbury, CT 6.1 mi
12563 Patterson, NY 6.1 mi
10512 Carmel, NY 6.5 mi
06812 New Fairfield, CT 7.3 mi
06813 Danbury, CT 7.4 mi
06817 Danbury, CT 7.4 mi
10589 Somers, NY 7.4 mi
06810 Danbury, CT 7.5 mi

Find every ZIP code within 10 miles of 10509 →

Questions about this ZIP code

Where is ZIP code 10509?

10509 is in Brewster, New York, in Putnam County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.4109, -73.5943.

What county is 10509 in?

10509 spans 2 counties: Putnam County and Westchester County. Most of it falls in Putnam County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 10509?

Brewster uses area codes 845 and 329, from NANPA's telephone records.

What time zone is 10509 in?

10509 uses America/New_York.

How many people live in 10509?

About 20,046 people live in ZIP code 10509, in 7,595 households, at 555.7 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 10509?

$116,831 a year, against $85,974 across New York.

What ZIP codes are near 10509?

The closest are 10560 (4.9 mi), 10519 (5.7 mi), 06811 (6.1 mi), 12563 (6.1 mi) and 10512 (6.5 mi).

Is 10509 a PO Box ZIP code?

10509 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “10509 ZIP Code — Brewster, New York (Putnam County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/10509

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/10509.json

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