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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/94544

94544

ZIP 94544 is in Hayward, California, in Alameda County; area codes 510 and 341; Pacific time. Hayward has 7 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Alameda
Population
76,947
Coordinates
37.6335, -122.0568
☼ Live from 94544 — Hayward, CA

Weather right now

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Local time: —

Where 94544 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 94544
  • 🔢 Type 94544 into a pocket calculator and turn it upside down: hhShG — not quite a word, sorry.
  • ➕ As a number, 94,544 = 2 × 2 × 2 × 2 × 19 × 311. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000101010000
  • 🏠 Its numerical neighbours: 94543 (Hayward, CA, 3 mi away) and 94545 (Hayward, CA, 4 mi away).
  • 🔄 Backwards, 94544 becomes 44549, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (45449, 49445, 49454, 49544, 54449, 54494, …). The farthest-flung twin is 45449 in Dayton, OH, 2,030 miles away.
  • 🧭 Farther south than 61% of all ZIP codes, and farther west than 96%.
  • 🎯1,271 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94544 and you would come out at 37.63°S, 57.94°E — 1,014 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 46m of daylight. Shortest: 9h 33m.
  • 📏 At 11.0 square miles of land, 94544 is bigger than 28% of ZIP codes — room for about 8.3 Central Parks.
🌙 The sky over 94544 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population76,947This ZIP76,947
Households22,991This ZIP22,991
Housing units24,194This ZIP24,194
Median age38.0This ZIP38.0California37.9US 38.9
Median household income$107,785This ZIP$107,785California$99,122US $80,734
Median home value$827,200This ZIP$827,200California$734,700US $332,700
Median gross rent$2,373This ZIP$2,373California$2,036US $1,413
Bachelor's degree or higher29.4%This ZIP29.4%
Mean commute30.6 minThis ZIP30.6 min
Population density7,025.8 / sq miThis ZIP7,025.8 / sq mi

Business and tax activity

Business establishments1,313This ZIP1,313
Employees18,767This ZIP18,767
Annual payroll$1,285,893,000This ZIP$1,285,893,000
Tax returns filed36,480This ZIP36,480
Total adjusted gross income$2,886,103,000This ZIP$2,886,103,000

Land area

Land area10.95 sq miThis ZIP10.95 sq mi
Water area0.00 sq mi

Other place names in 94544

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

ZIP codes near 94544

ZIPCityDistance
94542 Hayward, CA 2.3 mi
94543 Hayward, CA 2.8 mi
94587 Union City, CA 3.2 mi
94541 Hayward, CA 3.3 mi
94545 Hayward, CA 3.7 mi
94580 San Lorenzo, CA 5.2 mi
94552 Castro Valley, CA 5.7 mi
94536 Fremont, CA 6.0 mi
94578 San Leandro, CA 6.3 mi
94555 Fremont, CA 6.4 mi

Find every ZIP code within 10 miles of 94544 →

Questions about this ZIP code

Where is ZIP code 94544?

94544 is in Hayward, California, in Alameda County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.6335, -122.0568.

What county is 94544 in?

94544 lies in Alameda County.

What area code is 94544?

Hayward uses area codes 510 and 341, from NANPA's telephone records.

What time zone is 94544 in?

94544 uses America/Los_Angeles.

How many people live in 94544?

About 76,947 people live in ZIP code 94544, in 22,991 households, at 7,025.8 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 94544?

$107,785 a year, against $99,122 across California.

What ZIP codes are near 94544?

The closest are 94542 (2.3 mi), 94543 (2.8 mi), 94587 (3.2 mi), 94541 (3.3 mi) and 94545 (3.7 mi).

Is 94544 a PO Box ZIP code?

94544 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94544 ZIP Code — Hayward, California (Alameda County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94544

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