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zipcodes.pro — ZIP/91108

91108

ZIP 91108 is in San Marino, California, in Los Angeles County; area codes 626, 818 and 747; Pacific time. San Marino has 2 ZIP codes; the other is 91118.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
12,401
Coordinates
34.1224, -118.1142
☼ Live from 91108 — San Marino, CA

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Local time: —

Where 91108 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 91108
  • 🔢 Type 91108 into a pocket calculator and turn it upside down: BOIIG — not quite a word, sorry.
  • ➕ As a number, 91,108 = 2 × 2 × 22777. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110001111100100
  • 🏠 Its numerical neighbours: 91107 (Pasadena, CA, 3 mi away) and 91109 (Pasadena, CA, 2 mi away).
  • 🔄 Backwards, 91108 becomes 80119, which is not a ZIP code at all.
  • 👥 23 other ZIP codes are made of exactly the same digits (09811, 10918, 10981, 11980, 18091, 18109, …). The farthest-flung twin is 09811 in APO AE, a military post office, 8,312 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 91%.
  • 🎯1,145 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91108 and you would come out at 34.12°S, 61.89°E — 996 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 52m.
  • 📏 At 3.8 square miles of land, 91108 is bigger than 16% of ZIP codes — room for about 2.9 Central Parks.
🌙 The sky over 91108 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,401This ZIP12,401
Households4,038This ZIP4,038
Housing units4,567This ZIP4,567
Median age46.1This ZIP46.1California37.9US 38.9
Median household income$204,847This ZIP$204,847California$99,122US $80,734
Median home value$2,000,000+This ZIP$2,000,000+California$734,700US $332,700
Median gross rent$3,500+This ZIP$3,500+California$2,036US $1,413
Bachelor's degree or higher82.5%This ZIP82.5%
Mean commute26.5 minThis ZIP26.5 min
Population density3,272.9 / sq miThis ZIP3,272.9 / sq mi

Business and tax activity

Business establishments653This ZIP653
Employees2,933This ZIP2,933
Annual payroll$177,584,000This ZIP$177,584,000
Tax returns filed6,360This ZIP6,360
Total adjusted gross income$2,348,595,000This ZIP$2,348,595,000

Land area

Land area3.79 sq miThis ZIP3.79 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 91108

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

ZIP codes near 91108

ZIPCityDistance
91118 San Marino, CA 0.4 mi
91125 Pasadena, CA 1.2 mi
91106 Pasadena, CA 1.4 mi
91775 San Gabriel, CA 1.6 mi
91778 San Gabriel, CA 1.9 mi
91802 Alhambra, CA 2.0 mi
91804 Alhambra, CA 2.0 mi
91896 Alhambra, CA 2.0 mi
91899 Alhambra, CA 2.0 mi
91031 South Pasadena, CA 2.1 mi

Find every ZIP code within 10 miles of 91108 →

Questions about this ZIP code

Where is ZIP code 91108?

91108 is in San Marino, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.1224, -118.1142.

What county is 91108 in?

91108 lies in Los Angeles County.

What area code is 91108?

San Marino uses area codes 626, 818 and 747, from NANPA's telephone records.

What time zone is 91108 in?

91108 uses America/Los_Angeles.

How many people live in 91108?

About 12,401 people live in ZIP code 91108, in 4,038 households, at 3,272.9 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 91108?

$204,847 a year, against $99,122 across California.

What ZIP codes are near 91108?

The closest are 91118 (0.4 mi), 91125 (1.2 mi), 91106 (1.4 mi), 91775 (1.6 mi) and 91778 (1.9 mi).

Is 91108 a PO Box ZIP code?

91108 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91108 ZIP Code — San Marino, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91108

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