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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/12529

12529

ZIP 12529 is Hillsdale, New York, in Columbia County; area codes 518 and 838; Eastern time.

Type
Standard
Time zone
America/New_York
County
Columbia
Metro area
Hudson, NY
Population
2,410
Coordinates
42.1959, -73.5432
☼ Live from 12529 — Hillsdale, NY

Weather right now

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Local time: —

Where 12529 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 12529
  • 🔢 Type 12529 into a pocket calculator and turn it upside down: GZSZI — not quite a word, sorry.
  • ➕ As a number, 12,529 = 11 × 17 × 67. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000011110001
  • 🏠 Its numerical neighbours: 12528 (Highland, NY, 41 mi away) and 12530 (Hollowville, NY, 7 mi away).
  • 🔄 Backwards, 12529 becomes 92521 — and that is a real ZIP code: Riverside, CA, 2,420 miles away.
  • 👥 24 other ZIP codes are made of exactly the same digits (12592, 12952, 15229, 15922, 19522, 21529, …). The farthest-flung twin is 95122 in San Jose, CA, 2,552 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 92%.
  • 🎯1,311 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 12529 and you would come out at 42.20°S, 106.46°E — 876 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
  • 📏 At 68.1 square miles of land, 12529 is bigger than 68% of ZIP codes — room for about 52 Central Parks.
🌙 The sky over 12529 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,410This ZIP2,410
Households1,192This ZIP1,192
Housing units1,910This ZIP1,910
Median age56.1This ZIP56.1New York39.8US 38.9
Median household income$70,750This ZIP$70,750New York$85,974US $80,734
Median home value$384,600This ZIP$384,600New York$423,800US $332,700
Median gross rent$1,219This ZIP$1,219New York$1,621US $1,413
Bachelor's degree or higher50.2%This ZIP50.2%
Mean commute22.9 minThis ZIP22.9 min
Population density35.4 / sq miThis ZIP35.4 / sq mi

Business and tax activity

Business establishments70This ZIP70
Employees811This ZIP811
Annual payroll$31,084,000This ZIP$31,084,000
Tax returns filed1,290This ZIP1,290
Total adjusted gross income$184,717,000This ZIP$184,717,000

Land area

Land area68.08 sq miThis ZIP68.08 sq mi
Water area1.00 sq miThis ZIP1.00 sq mi

Other place names in 12529

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

ZIP codes near 12529

ZIPCityDistance
01252 North Egremont, MA 5.0 mi
12517 Copake Falls, NY 5.0 mi
12521 Craryville, NY 5.7 mi
12516 Copake, NY 6.1 mi
12565 Philmont, NY 6.4 mi
12530 Hollowville, NY 7.3 mi
12544 Mellenville, NY 7.8 mi
01258 South Egremont, MA 8.2 mi
12165 Spencertown, NY 8.4 mi
12075 Ghent, NY 9.0 mi

Find every ZIP code within 10 miles of 12529 →

Questions about this ZIP code

Where is ZIP code 12529?

12529 is in Hillsdale, New York, in Columbia County, part of the Hudson, NY micropolitan area. Its published point location is 42.1959, -73.5432.

What county is 12529 in?

12529 lies in Columbia County.

What area code is 12529?

Hillsdale uses area codes 518 and 838, from NANPA's telephone records.

What time zone is 12529 in?

12529 uses America/New_York.

How many people live in 12529?

About 2,410 people live in ZIP code 12529, in 1,192 households, at 35.4 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 12529?

$70,750 a year, against $85,974 across New York.

What ZIP codes are near 12529?

The closest are 01252 (5 mi), 12517 (5 mi), 12521 (5.7 mi), 12516 (6.1 mi) and 12565 (6.4 mi).

Is 12529 a PO Box ZIP code?

12529 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “12529 ZIP Code — Hillsdale, New York (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12529

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