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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/90604

90604

ZIP 90604 is in Whittier, California, in Los Angeles County; area code 562; Pacific time. Whittier has 10 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
39,276
Coordinates
33.9277, -118.0138
☼ Live from 90604 — Whittier, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 90604 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 90604
  • 🔢 Type 90604 into a pocket calculator and turn it upside down: hOgOG — not quite a word, sorry.
  • ➕ As a number, 90,604 = 2 × 2 × 22651. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110000111101100
  • 🏠 Its numerical neighbours: 90603 (Whittier, CA, 2 mi away) and 90605 (Whittier, CA, 2 mi away).
  • 🔄 Backwards, 90604 becomes 40609, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00694, 04069, 04096, 04609, 06094, 06409, …). The farthest-flung twin is 09604 in APO AE, a military post office, 8,204 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther west than 91%.
  • 🎯1,146 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90604 and you would come out at 33.93°S, 61.99°E — 986 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 53m.
  • 📏 At 4.2 square miles of land, 90604 is bigger than 17% of ZIP codes — room for about 3.2 Central Parks.
🌙 The sky over 90604 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population39,276This ZIP39,276
Households11,725This ZIP11,725
Housing units12,076This ZIP12,076
Median age37.3This ZIP37.3California37.9US 38.9
Median household income$105,074This ZIP$105,074California$99,122US $80,734
Median home value$785,200This ZIP$785,200California$734,700US $332,700
Median gross rent$1,904This ZIP$1,904California$2,036US $1,413
Bachelor's degree or higher24.4%This ZIP24.4%
Mean commute32.2 minThis ZIP32.2 min
Population density9,331.4 / sq miThis ZIP9,331.4 / sq mi

Business and tax activity

Business establishments308This ZIP308
Employees1,853This ZIP1,853
Annual payroll$74,018,000This ZIP$74,018,000
Tax returns filed18,770This ZIP18,770
Total adjusted gross income$1,320,738,000This ZIP$1,320,738,000

Land area

Land area4.21 sq miThis ZIP4.21 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 90604

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

ZIP codes near 90604

ZIPCityDistance
90637 La Mirada, CA 0.7 mi
90639 La Mirada, CA 1.5 mi
90603 Whittier, CA 1.7 mi
90605 Whittier, CA 1.8 mi
90638 La Mirada, CA 1.8 mi
90670 Santa Fe Springs, CA 2.8 mi
90602 Whittier, CA 3.3 mi
90632 La Habra, CA 3.5 mi
90631 La Habra, CA 3.7 mi
90607 Whittier, CA 3.7 mi

Find every ZIP code within 10 miles of 90604 →

Questions about this ZIP code

Where is ZIP code 90604?

90604 is in Whittier, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 33.9277, -118.0138.

What county is 90604 in?

90604 lies in Los Angeles County.

What area code is 90604?

Whittier uses area code 562, from NANPA's telephone records.

What time zone is 90604 in?

90604 uses America/Los_Angeles.

How many people live in 90604?

About 39,276 people live in ZIP code 90604, in 11,725 households, at 9,331.4 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 90604?

$105,074 a year, against $99,122 across California.

What ZIP codes are near 90604?

The closest are 90637 (0.7 mi), 90639 (1.5 mi), 90603 (1.7 mi), 90605 (1.8 mi) and 90638 (1.8 mi).

Is 90604 a PO Box ZIP code?

90604 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “90604 ZIP Code — Whittier, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90604

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