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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/94804

94804

ZIP 94804 is in Richmond, California, in Contra Costa County; area codes 510 and 341; Pacific time. Richmond has 7 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Contra Costa
Population
44,891
Coordinates
37.9155, -122.3378
☼ Live from 94804 — Richmond, CA

Weather right now

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Local time: —

Where 94804 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 94804
  • 🔢 Type 94804 into a pocket calculator and turn it upside down: hOBhG — not quite a word, sorry.
  • ➕ As a number, 94,804 = 2 × 2 × 137 × 173. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001001010100
  • 🏠 Its numerical neighbours: 94803 (El Sobrante, CA, 4 mi away) and 94805 (Richmond, CA, 2 mi away).
  • 🔄 Backwards, 94804 becomes 40849 — and that is a real ZIP code: Lejunior, KY, 2,137 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (04489, 04849, 04984, 09448, 09844, 40489, …). The farthest-flung twin is 09844 in APO AE, a military post office, 6,582 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther west than 96%.
  • 🎯1,281 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94804 and you would come out at 37.92°S, 57.66°E — 1,006 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.
  • 📏 At 6.5 square miles of land, 94804 is bigger than 22% of ZIP codes — room for about 4.9 Central Parks.
🌙 The sky over 94804 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population44,891This ZIP44,891
Households16,250This ZIP16,250
Housing units16,962This ZIP16,962
Median age36.9This ZIP36.9California37.9US 38.9
Median household income$91,037This ZIP$91,037California$99,122US $80,734
Median home value$631,900This ZIP$631,900California$734,700US $332,700
Median gross rent$1,826This ZIP$1,826California$2,036US $1,413
Bachelor's degree or higher32.8%This ZIP32.8%
Mean commute31.9 minThis ZIP31.9 min
Population density6,913.8 / sq miThis ZIP6,913.8 / sq mi

Business and tax activity

Business establishments795This ZIP795
Employees13,241This ZIP13,241
Annual payroll$1,078,477,000This ZIP$1,078,477,000
Tax returns filed20,290This ZIP20,290
Total adjusted gross income$1,477,332,000This ZIP$1,477,332,000

Land area

Land area6.49 sq miThis ZIP6.49 sq mi
Water area2.80 sq miThis ZIP2.80 sq mi

Other place names in 94804

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

ZIP codes near 94804

ZIPCityDistance
94802 Richmond, CA 1.5 mi
94807 Richmond, CA 1.5 mi
94808 Richmond, CA 1.5 mi
94850 Richmond, CA 1.5 mi
94805 Richmond, CA 2.0 mi
94530 El Cerrito, CA 2.1 mi
94706 Albany, CA 2.9 mi
94707 Berkeley, CA 3.4 mi
94710 Berkeley, CA 4.0 mi
94801 Richmond, CA 4.0 mi

Find every ZIP code within 10 miles of 94804 →

Questions about this ZIP code

Where is ZIP code 94804?

94804 is in Richmond, California, in Contra Costa County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.9155, -122.3378.

What county is 94804 in?

94804 lies in Contra Costa County.

What area code is 94804?

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

What time zone is 94804 in?

94804 uses America/Los_Angeles.

How many people live in 94804?

About 44,891 people live in ZIP code 94804, in 16,250 households, at 6,913.8 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 94804?

$91,037 a year, against $99,122 across California.

What ZIP codes are near 94804?

The closest are 94802 (1.5 mi), 94807 (1.5 mi), 94808 (1.5 mi), 94850 (1.5 mi) and 94805 (2 mi).

Is 94804 a PO Box ZIP code?

94804 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94804 ZIP Code — Richmond, California (Contra Costa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94804

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