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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/12304

12304

ZIP 12304 is in Schenectady, New York, mostly in Schenectady County; area codes 518 and 838; Eastern time. Schenectady has 11 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Schenectady +1 more
Population
22,403
Coordinates
42.7747, -73.8983
☼ Live from 12304 — Schenectady, NY

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Where 12304 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 12304
  • 🔢 Type 12304 into a pocket calculator and turn it upside down: hOEZI — not quite a word, sorry.
  • ➕ As a number, 12,304 = 2 × 2 × 2 × 2 × 769. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000010000
  • 🏠 Its numerical neighbours: 12303 (Schenectady, NY, 2 mi away) and 12305 (Schenectady, NY, 4 mi away).
  • 🔄 Backwards, 12304 becomes 40321, which is not a ZIP code at all.
  • 👥 68 other ZIP codes are made of exactly the same digits (01243, 01342, 01432, 02134, 02143, 02341, …). The farthest-flung twin is 34021 in APO AA, a military post office, 2,243 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther east than 91%.
  • 🎯1,292 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 12304 and you would come out at 42.77°S, 106.10°E — 919 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
  • 📏 At 6.7 square miles of land, 12304 is bigger than 22% of ZIP codes — room for about 5.1 Central Parks.
🌙 The sky over 12304 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,403This ZIP22,403
Households9,306This ZIP9,306
Housing units9,495This ZIP9,495
Median age41.0This ZIP41.0New York39.8US 38.9
Median household income$69,235This ZIP$69,235New York$85,974US $80,734
Median home value$179,200This ZIP$179,200New York$423,800US $332,700
Median gross rent$1,100This ZIP$1,100New York$1,621US $1,413
Bachelor's degree or higher25.6%This ZIP25.6%
Mean commute22.8 minThis ZIP22.8 min
Population density3,361.8 / sq miThis ZIP3,361.8 / sq mi

Business and tax activity

Business establishments406This ZIP406
Employees5,491This ZIP5,491
Annual payroll$239,994,000This ZIP$239,994,000
Tax returns filed10,430This ZIP10,430
Total adjusted gross income$568,355,000This ZIP$568,355,000

Land area

Land area6.66 sq miThis ZIP6.66 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Counties 12304 spans

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

CountyShare of this ZIP
Schenectady County 66.3%
Albany County 33.7%

Other place names in 12304

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

ZIP codes near 12304

ZIPCityDistance
12303 Schenectady, NY 2.4 mi
12309 Schenectady, NY 2.4 mi
12307 Schenectady, NY 2.7 mi
12308 Schenectady, NY 3.4 mi
12301 Schenectady, NY 3.4 mi
12345 Schenectady, NY 3.4 mi
12305 Schenectady, NY 3.7 mi
12148 Rexford, NY 4.5 mi
12084 Guilderland, NY 4.8 mi
12205 Albany, NY 5.4 mi

Find every ZIP code within 10 miles of 12304 →

Questions about this ZIP code

Where is ZIP code 12304?

12304 is in Schenectady, New York, in Schenectady County, part of the Albany-Schenectady-Troy, NY metropolitan area. Its published point location is 42.7747, -73.8983.

What county is 12304 in?

12304 spans 2 counties: Schenectady County and Albany County. Most of it falls in Schenectady 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 12304?

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

What time zone is 12304 in?

12304 uses America/New_York.

How many people live in 12304?

About 22,403 people live in ZIP code 12304, in 9,306 households, at 3,361.8 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 12304?

$69,235 a year, against $85,974 across New York.

What ZIP codes are near 12304?

The closest are 12303 (2.4 mi), 12309 (2.4 mi), 12307 (2.7 mi), 12308 (3.4 mi) and 12301 (3.4 mi).

Is 12304 a PO Box ZIP code?

12304 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “12304 ZIP Code — Schenectady, New York (Schenectady County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12304

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