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zipcodes.pro — ZIP/91770

91770

ZIP 91770 is in Rosemead, California, in Los Angeles County; Pacific time. Rosemead has 3 ZIP codes; the others are 91771 and 91772.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
58,382
Coordinates
34.0651, -118.0828
☼ Live from 91770 — Rosemead, CA

Weather right now

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Local time: —

Where 91770 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 91770
  • 🔢 Type 91770 into a pocket calculator and turn it upside down: OLLIG — not quite a word, sorry.
  • ➕ As a number, 91,770 = 2 × 3 × 5 × 7 × 19 × 23. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011001111010
  • 🏠 Its numerical neighbours: 91769 (Pomona, CA, 19 mi away) and 91771 (Rosemead, CA, 1 mi away).
  • 🔄 Backwards, 91770 becomes 07719 — and that is a real ZIP code: Belmar, NJ, 2,436 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (07719, 09177, 09717, 10977, 17097, 17970, …). The farthest-flung twin is 09177 in APO AE, a military post office, 5,873 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 91770 and you would come out at 34.07°S, 61.92°E — 993 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 53m.
  • 📏 At 6.5 square miles of land, 91770 is bigger than 22% of ZIP codes — room for about 5.0 Central Parks.
🌙 The sky over 91770 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population58,382This ZIP58,382
Households16,872This ZIP16,872
Housing units17,902This ZIP17,902
Median age44.5This ZIP44.5California37.9US 38.9
Median household income$75,000This ZIP$75,000California$99,122US $80,734
Median home value$790,200This ZIP$790,200California$734,700US $332,700
Median gross rent$1,847This ZIP$1,847California$2,036US $1,413
Bachelor's degree or higher21.9%This ZIP21.9%
Mean commute27.0 minThis ZIP27.0 min
Population density8,948.8 / sq miThis ZIP8,948.8 / sq mi

Business and tax activity

Business establishments1,514This ZIP1,514
Employees15,452This ZIP15,452
Annual payroll$1,141,763,000This ZIP$1,141,763,000
Tax returns filed29,060This ZIP29,060
Total adjusted gross income$1,557,936,000This ZIP$1,557,936,000

Land area

Land area6.52 sq miThis ZIP6.52 sq mi
Water area0.08 sq miThis ZIP0.08 sq mi

Other place names in 91770

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

ZIP codes near 91770

ZIPCityDistance
91771 Rosemead, CA 1.2 mi
91772 Rosemead, CA 1.2 mi
91776 San Gabriel, CA 1.8 mi
91755 Monterey Park, CA 2.1 mi
91733 South El Monte, CA 2.1 mi
91756 Monterey Park, CA 2.3 mi
91731 El Monte, CA 2.4 mi
91778 San Gabriel, CA 2.5 mi
91780 Temple City, CA 2.9 mi
91801 Alhambra, CA 3.1 mi

Find every ZIP code within 10 miles of 91770 →

Questions about this ZIP code

Where is ZIP code 91770?

91770 is in Rosemead, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.0651, -118.0828.

What county is 91770 in?

91770 lies in Los Angeles County.

What time zone is 91770 in?

91770 uses America/Los_Angeles.

How many people live in 91770?

About 58,382 people live in ZIP code 91770, in 16,872 households, at 8,948.8 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 91770?

$75,000 a year, against $99,122 across California.

What ZIP codes are near 91770?

The closest are 91771 (1.2 mi), 91772 (1.2 mi), 91776 (1.8 mi), 91755 (2.1 mi) and 91733 (2.1 mi).

Is 91770 a PO Box ZIP code?

91770 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91770 ZIP Code — Rosemead, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91770

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