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zipcodes.pro — ZIP/91711

91711

ZIP 91711 is Claremont, California, in Los Angeles County; area codes 909 and 840; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
37,529
Coordinates
34.1281, -117.7148
☼ Live from 91711 — Claremont, CA

Weather right now

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Local time: —

Where 91711 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 91711
  • 🔢 Type 91711 into a pocket calculator and turn it upside down: IILIG — not quite a word, sorry.
  • ➕ 91711 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011000111111
  • 🏠 Its numerical neighbours: 91710 (Chino, CA, 9 mi away) and 91714 (City Of Industry, CA, 16 mi away).
  • 🔄 Backwards, 91711 becomes 11719 — and that is a real ZIP code: Brookhaven, NY, 2,473 miles away.
  • 👥 9 other ZIP codes are made of exactly the same digits (11719, 11791, 11971, 19171, 19711, 71119, …). The farthest-flung twin is 11971 in Southold, NY, 2,496 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 91%.
  • 🎯1,124 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91711 and you would come out at 34.13°S, 62.29°E — 1,006 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 14.9 square miles of land, 91711 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 91711 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,529This ZIP37,529
Households12,305This ZIP12,305
Housing units12,885This ZIP12,885
Median age38.9This ZIP38.9California37.9US 38.9
Median household income$126,056This ZIP$126,056California$99,122US $80,734
Median home value$894,300This ZIP$894,300California$734,700US $332,700
Median gross rent$2,242This ZIP$2,242California$2,036US $1,413
Bachelor's degree or higher59.8%This ZIP59.8%
Mean commute27.0 minThis ZIP27.0 min
Population density2,512.7 / sq miThis ZIP2,512.7 / sq mi

Business and tax activity

Business establishments1,094This ZIP1,094
Employees18,584This ZIP18,584
Annual payroll$874,410,000This ZIP$874,410,000
Tax returns filed16,110This ZIP16,110
Total adjusted gross income$2,306,308,000This ZIP$2,306,308,000

Land area

Land area14.94 sq miThis ZIP14.94 sq mi
Water area0.14 sq miThis ZIP0.14 sq mi

Other place names in 91711

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

ZIP codes near 91711

ZIPCityDistance
91750 La Verne, CA 3.3 mi
91785 Upland, CA 3.4 mi
91767 Pomona, CA 3.4 mi
91786 Upland, CA 3.4 mi
91784 Upland, CA 3.5 mi
91763 Montclair, CA 4.0 mi
91762 Ontario, CA 5.4 mi
91769 Pomona, CA 5.5 mi
91773 San Dimas, CA 5.6 mi
91758 Ontario, CA 5.8 mi

Find every ZIP code within 10 miles of 91711 →

Questions about this ZIP code

Where is ZIP code 91711?

91711 is in Claremont, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.1281, -117.7148.

What county is 91711 in?

91711 lies in Los Angeles County.

What area code is 91711?

Claremont uses area codes 909 and 840, from NANPA's telephone records.

What time zone is 91711 in?

91711 uses America/Los_Angeles.

How many people live in 91711?

About 37,529 people live in ZIP code 91711, in 12,305 households, at 2,512.7 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 91711?

$126,056 a year, against $99,122 across California.

What ZIP codes are near 91711?

The closest are 91750 (3.3 mi), 91785 (3.4 mi), 91767 (3.4 mi), 91786 (3.4 mi) and 91784 (3.5 mi).

Is 91711 a PO Box ZIP code?

91711 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91711 ZIP Code — Claremont, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91711

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