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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/92504

92504

ZIP 92504 is in Riverside, California, in Riverside County; area code 951; Pacific time. Riverside has 17 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Riverside
Population
57,132
Coordinates
33.9084, -117.4013
☼ Live from 92504 — Riverside, CA

Weather right now

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Local time: —

Where 92504 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 92504
  • 🔢 Type 92504 into a pocket calculator and turn it upside down: hOSZG — not quite a word, sorry.
  • ➕ As a number, 92,504 = 2 × 2 × 2 × 31 × 373. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110100101011000
  • 🏠 Its numerical neighbours: 92503 (Riverside, CA, 3 mi away) and 92505 (Riverside, CA, 5 mi away).
  • 🔄 Backwards, 92504 becomes 40529, which is not a ZIP code at all.
  • 👥 50 other ZIP codes are made of exactly the same digits (02459, 02495, 04259, 04925, 04952, 05492, …). The farthest-flung twin is 09245 in APO AE, a military post office, 5,953 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther west than 90%.
  • 🎯1,115 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92504 and you would come out at 33.91°S, 62.60°E — 1,000 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 54m.
  • 📏 At 22.7 square miles of land, 92504 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 92504 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population57,132This ZIP57,132
Households16,463This ZIP16,463
Housing units17,349This ZIP17,349
Median age37.3This ZIP37.3California37.9US 38.9
Median household income$92,477This ZIP$92,477California$99,122US $80,734
Median home value$562,600This ZIP$562,600California$734,700US $332,700
Median gross rent$1,862This ZIP$1,862California$2,036US $1,413
Bachelor's degree or higher21.5%This ZIP21.5%
Mean commute31.9 minThis ZIP31.9 min
Population density2,518.9 / sq miThis ZIP2,518.9 / sq mi

Business and tax activity

Business establishments967This ZIP967
Employees18,144This ZIP18,144
Annual payroll$1,001,149,000This ZIP$1,001,149,000
Tax returns filed24,830This ZIP24,830
Total adjusted gross income$1,738,687,000This ZIP$1,738,687,000

Land area

Land area22.68 sq miThis ZIP22.68 sq mi
Water area0.06 sq miThis ZIP0.06 sq mi

Other place names in 92504

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

ZIP codes near 92504

ZIPCityDistance
92506 Riverside, CA 2.7 mi
92502 Riverside, CA 3.1 mi
92513 Riverside, CA 3.1 mi
92514 Riverside, CA 3.1 mi
92515 Riverside, CA 3.1 mi
92516 Riverside, CA 3.1 mi
92517 Riverside, CA 3.1 mi
92519 Riverside, CA 3.1 mi
92522 Riverside, CA 3.1 mi
92503 Riverside, CA 3.4 mi

Find every ZIP code within 10 miles of 92504 →

Questions about this ZIP code

Where is ZIP code 92504?

92504 is in Riverside, California, in Riverside County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 33.9084, -117.4013.

What county is 92504 in?

92504 lies in Riverside County.

What area code is 92504?

Riverside uses area code 951, from NANPA's telephone records.

What time zone is 92504 in?

92504 uses America/Los_Angeles.

How many people live in 92504?

About 57,132 people live in ZIP code 92504, in 16,463 households, at 2,518.9 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 92504?

$92,477 a year, against $99,122 across California.

What ZIP codes are near 92504?

The closest are 92506 (2.7 mi), 92502 (3.1 mi), 92513 (3.1 mi), 92514 (3.1 mi) and 92515 (3.1 mi).

Is 92504 a PO Box ZIP code?

92504 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92504 ZIP Code — Riverside, California (Riverside County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92504

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