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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/91008

91008

ZIP 91008 is in Duarte, California, in Los Angeles County; area code 626; Pacific time. Duarte has 3 ZIP codes; the others are 91009 and 91010.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
743
Coordinates
34.1532, -117.9688
☼ Live from 91008 — Duarte, CA

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Where 91008 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 91008
  • 🔢 Type 91008 into a pocket calculator and turn it upside down: BOOIG — not quite a word, sorry.
  • ➕ As a number, 91,008 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 79. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110001110000000
  • 🏠 Its numerical neighbours: 91007 (Arcadia, CA, 5 mi away) and 91009 (Duarte, CA, 1 mi away).
  • 🔄 Backwards, 91008 becomes 80019 — and that is a real ZIP code: Aurora, CO, 829 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (00918, 00981, 01089, 01098, 01890, 01908, …). The farthest-flung twin is 09810 in APO AE, a military post office, 7,805 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 91%.
  • 🎯1,137 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91008 and you would come out at 34.15°S, 62.03°E — 1,001 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 1.9 square miles of land, 91008 is bigger than 11% of ZIP codes — room for about 1.5 Central Parks.
🌙 The sky over 91008 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population743This ZIP743
Households309This ZIP309
Housing units360This ZIP360
Median age56.3This ZIP56.3California37.9US 38.9
Median household income$164,375This ZIP$164,375California$99,122US $80,734
Median home value$1,812,500This ZIP$1,812,500California$734,700US $332,700
Median gross rent$2,400This ZIP$2,400California$2,036US $1,413
Bachelor's degree or higher64.1%This ZIP64.1%
Mean commute33.2 minThis ZIP33.2 min
Population density386.0 / sq miThis ZIP386.0 / sq mi

Business and tax activity

Business establishments20This ZIP20
Employees82This ZIP82
Annual payroll$4,131,000This ZIP$4,131,000
Tax returns filed510This ZIP510
Total adjusted gross income$356,563,000This ZIP$356,563,000

Land area

Land area1.93 sq miThis ZIP1.93 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 91008

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

ZIP codes near 91008

ZIPCityDistance
91010 Duarte, CA 1.0 mi
91009 Duarte, CA 1.1 mi
91017 Monrovia, CA 1.8 mi
91016 Monrovia, CA 1.8 mi
91006 Arcadia, CA 3.5 mi
91706 Baldwin Park, CA 3.9 mi
91066 Arcadia, CA 3.9 mi
91077 Arcadia, CA 3.9 mi
91024 Sierra Madre, CA 4.7 mi
91007 Arcadia, CA 4.8 mi

Find every ZIP code within 10 miles of 91008 →

Questions about this ZIP code

Where is ZIP code 91008?

91008 is in Duarte, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.1532, -117.9688.

What county is 91008 in?

91008 lies in Los Angeles County.

What area code is 91008?

Duarte uses area code 626, from NANPA's telephone records.

What time zone is 91008 in?

91008 uses America/Los_Angeles.

How many people live in 91008?

About 743 people live in ZIP code 91008, in 309 households, at 386.0 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 91008?

$164,375 a year, against $99,122 across California.

What ZIP codes are near 91008?

The closest are 91010 (1 mi), 91009 (1.1 mi), 91017 (1.8 mi), 91016 (1.8 mi) and 91006 (3.5 mi).

Is 91008 a PO Box ZIP code?

91008 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91008 ZIP Code — Duarte, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91008

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