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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/94539

94539

ZIP 94539 is in Fremont, California, in Alameda County; Pacific time. Fremont has 5 ZIP codes; the others are 94536, 94537, 94538 and 94555.

Type
Standard
Time zone
America/Los_Angeles
County
Alameda
Population
52,396
Coordinates
37.5163, -121.9119
☼ Live from 94539 — Fremont, CA

Weather right now

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Local time: —

Where 94539 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 94539
  • 🔢 Type 94539 into a pocket calculator and turn it upside down: GEShG — not quite a word, sorry.
  • ➕ As a number, 94,539 = 3 × 31513. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000101001011
  • 🏠 Its numerical neighbours: 94538 (Fremont, CA, 3 mi away) and 94540 (Hayward, CA, 11 mi away).
  • 🔄 Backwards, 94539 becomes 93549 — and that is a real ZIP code: Olancha, CA, 239 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (34995, 39459, 49935, 49953, 53949, 59349, …). The farthest-flung twin is 34995 in Stuart, FL, 2,513 miles away.
  • 🧭 Farther south than 61% of all ZIP codes, and farther west than 95%.
  • 🎯1,265 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94539 and you would come out at 37.52°S, 58.09°E — 1,017 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 34m.
  • 📏 At 25.1 square miles of land, 94539 is bigger than 42% of ZIP codes — room for about 19 Central Parks.
🌙 The sky over 94539 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population52,396This ZIP52,396
Households17,375This ZIP17,375
Housing units18,127This ZIP18,127
Median age43.7This ZIP43.7California37.9US 38.9
Median household income$243,552This ZIP$243,552California$99,122US $80,734
Median home value$1,950,900This ZIP$1,950,900California$734,700US $332,700
Median gross rent$3,214This ZIP$3,214California$2,036US $1,413
Bachelor's degree or higher79.6%This ZIP79.6%
Mean commute29.9 minThis ZIP29.9 min
Population density2,089.6 / sq miThis ZIP2,089.6 / sq mi

Business and tax activity

Business establishments1,426This ZIP1,426
Employees19,562This ZIP19,562
Annual payroll$1,450,179,000This ZIP$1,450,179,000
Tax returns filed25,000This ZIP25,000
Total adjusted gross income$7,102,424,000This ZIP$7,102,424,000

Land area

Land area25.08 sq miThis ZIP25.08 sq mi
Water area0.00 sq mi

Other place names in 94539

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

ZIP codes near 94539

ZIPCityDistance
94538 Fremont, CA 2.7 mi
94586 Sunol, CA 4.8 mi
94536 Fremont, CA 5.3 mi
95035 Milpitas, CA 5.6 mi
95134 San Jose, CA 6.2 mi
95036 Milpitas, CA 6.4 mi
94560 Newark, CA 6.6 mi
95002 Alviso, CA 7.7 mi
95056 Santa Clara, CA 8.5 mi
95164 San Jose, CA 8.6 mi

Find every ZIP code within 10 miles of 94539 →

Questions about this ZIP code

Where is ZIP code 94539?

94539 is in Fremont, California, in Alameda County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.5163, -121.9119.

What county is 94539 in?

94539 lies in Alameda County.

What time zone is 94539 in?

94539 uses America/Los_Angeles.

How many people live in 94539?

About 52,396 people live in ZIP code 94539, in 17,375 households, at 2,089.6 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 94539?

$243,552 a year, against $99,122 across California.

What ZIP codes are near 94539?

The closest are 94538 (2.7 mi), 94586 (4.8 mi), 94536 (5.3 mi), 95035 (5.6 mi) and 95134 (6.2 mi).

Is 94539 a PO Box ZIP code?

94539 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94539 ZIP Code — Fremont, California (Alameda County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94539

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94539.json

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