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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/94930

94930

ZIP 94930 is in Fairfax, California, in Marin County; area codes 415 and 628; Pacific time. Fairfax has 2 ZIP codes; the other is 94978.

Type
Standard
Time zone
America/Los_Angeles
County
Marin
Population
8,406
Coordinates
37.9698, -122.6153
☼ Live from 94930 — Fairfax, CA

Weather right now

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Local time: —

Where 94930 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 94930
  • 🔢 Type 94930 into a pocket calculator and turn it upside down: OEGhG — not quite a word, sorry.
  • ➕ As a number, 94,930 = 2 × 5 × 11 × 863. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001011010010
  • 🏠 Its numerical neighbours: 94929 (Dillon Beach, CA, 27 mi away) and 94931 (Cotati, CA, 25 mi away).
  • 🔄 Backwards, 94930 becomes 03949, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (04939, 30499, 34990, 39094, 40939, 43909, …). The farthest-flung twin is 04939 in Garland, ME, 2,757 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 97%.
  • 🎯1,295 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94930 and you would come out at 37.97°S, 57.38°E — 1,012 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 14.2 square miles of land, 94930 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 94930 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population8,406This ZIP8,406
Households3,565This ZIP3,565
Housing units3,729This ZIP3,729
Median age48.2This ZIP48.2California37.9US 38.9
Median household income$145,362This ZIP$145,362California$99,122US $80,734
Median home value$1,170,000This ZIP$1,170,000California$734,700US $332,700
Median gross rent$2,397This ZIP$2,397California$2,036US $1,413
Bachelor's degree or higher70.7%This ZIP70.7%
Mean commute28.8 minThis ZIP28.8 min
Population density590.4 / sq miThis ZIP590.4 / sq mi

Business and tax activity

Business establishments273This ZIP273
Employees1,776This ZIP1,776
Annual payroll$91,943,000This ZIP$91,943,000
Tax returns filed4,230This ZIP4,230
Total adjusted gross income$676,531,000This ZIP$676,531,000

Land area

Land area14.24 sq miThis ZIP14.24 sq mi
Water area0.44 sq miThis ZIP0.44 sq mi

Other place names in 94930

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

ZIP codes near 94930

ZIPCityDistance
94978 Fairfax, CA 1.9 mi
94960 San Anselmo, CA 2.8 mi
94979 San Anselmo, CA 2.9 mi
94957 Ross, CA 2.9 mi
94941 Mill Valley, CA 3.2 mi
94973 Woodacre, CA 3.2 mi
94914 Kentfield, CA 3.4 mi
94963 San Geronimo, CA 3.8 mi
94904 Greenbrae, CA 3.8 mi
94970 Stinson Beach, CA 3.9 mi

Find every ZIP code within 10 miles of 94930 →

Questions about this ZIP code

Where is ZIP code 94930?

94930 is in Fairfax, California, in Marin County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.9698, -122.6153.

What county is 94930 in?

94930 lies in Marin County.

What area code is 94930?

Fairfax uses area codes 415 and 628, from NANPA's telephone records.

What time zone is 94930 in?

94930 uses America/Los_Angeles.

How many people live in 94930?

About 8,406 people live in ZIP code 94930, in 3,565 households, at 590.4 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 94930?

$145,362 a year, against $99,122 across California.

What ZIP codes are near 94930?

The closest are 94978 (1.9 mi), 94960 (2.8 mi), 94979 (2.9 mi), 94957 (2.9 mi) and 94941 (3.2 mi).

Is 94930 a PO Box ZIP code?

94930 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94930 ZIP Code — Fairfax, California (Marin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94930

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