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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/90405

90405

ZIP 90405 is in Santa Monica, California, in Los Angeles County; Pacific time. Santa Monica has 11 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
27,298
Coordinates
34.0111, -118.4722
☼ Live from 90405 — Santa Monica, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 90405 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 90405
  • 🔢 Type 90405 into a pocket calculator and turn it upside down: SOhOG — not quite a word, sorry.
  • ➕ As a number, 90,405 = 3 × 3 × 5 × 7 × 7 × 41. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110000100100101
  • 🏠 Its numerical neighbours: 90404 (Santa Monica, CA, 1 mi away) and 90406 (Santa Monica, CA, 1 mi away).
  • 🔄 Backwards, 90405 becomes 50409, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (00954, 04095, 04950, 05049, 05490, 05904, …). The farthest-flung twin is 09054 in APO AE, a military post office, 5,797 miles away.
  • 🧭 Farther south than 79% of all ZIP codes, and farther west than 92%.
  • 🎯1,167 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90405 and you would come out at 34.01°S, 61.53°E — 980 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 2.8 square miles of land, 90405 is bigger than 14% of ZIP codes — room for about 2.1 Central Parks.
🌙 The sky over 90405 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population27,298This ZIP27,298
Households14,312This ZIP14,312
Housing units15,878This ZIP15,878
Median age43.1This ZIP43.1California37.9US 38.9
Median household income$121,241This ZIP$121,241California$99,122US $80,734
Median home value$1,929,900This ZIP$1,929,900California$734,700US $332,700
Median gross rent$2,417This ZIP$2,417California$2,036US $1,413
Bachelor's degree or higher70.0%This ZIP70.0%
Mean commute26.8 minThis ZIP26.8 min
Population density9,815.9 / sq miThis ZIP9,815.9 / sq mi

Business and tax activity

Business establishments1,839This ZIP1,839
Employees19,145This ZIP19,145
Annual payroll$3,351,705,000This ZIP$3,351,705,000
Tax returns filed14,710This ZIP14,710
Total adjusted gross income$3,090,583,000This ZIP$3,090,583,000

Land area

Land area2.78 sq miThis ZIP2.78 sq mi
Water area0.35 sq miThis ZIP0.35 sq mi

Other place names in 90405

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

ZIP codes near 90405

ZIPCityDistance
90404 Santa Monica, CA 1.1 mi
90401 Santa Monica, CA 1.2 mi
90406 Santa Monica, CA 1.2 mi
90407 Santa Monica, CA 1.2 mi
90408 Santa Monica, CA 1.2 mi
90409 Santa Monica, CA 1.2 mi
90410 Santa Monica, CA 1.2 mi
90411 Santa Monica, CA 1.2 mi
90291 Venice, CA 1.3 mi
90294 Venice, CA 1.6 mi

Find every ZIP code within 10 miles of 90405 →

Questions about this ZIP code

Where is ZIP code 90405?

90405 is in Santa Monica, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.0111, -118.4722.

What county is 90405 in?

90405 lies in Los Angeles County.

What time zone is 90405 in?

90405 uses America/Los_Angeles.

How many people live in 90405?

About 27,298 people live in ZIP code 90405, in 14,312 households, at 9,815.9 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 90405?

$121,241 a year, against $99,122 across California.

What ZIP codes are near 90405?

The closest are 90404 (1.1 mi), 90401 (1.2 mi), 90406 (1.2 mi), 90407 (1.2 mi) and 90408 (1.2 mi).

Is 90405 a PO Box ZIP code?

90405 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “90405 ZIP Code — Santa Monica, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90405

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/90405.json

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