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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/91724

91724

ZIP 91724 is in Covina, California, in Los Angeles County; area code 626; Pacific time. Covina has 3 ZIP codes; the others are 91722 and 91723.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
28,352
Coordinates
34.0790, -117.8544
☼ Live from 91724 — Covina, CA

Weather right now

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Local time: —

Where 91724 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 91724
  • 🔢 Type 91724 into a pocket calculator and turn it upside down: hZLIG — not quite a word, sorry.
  • ➕ As a number, 91,724 = 2 × 2 × 23 × 997. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011001001100
  • 🏠 Its numerical neighbours: 91723 (Covina, CA, 2 mi away) and 91729 (Rancho Cucamonga, CA, 15 mi away).
  • 🔄 Backwards, 91724 becomes 42719 — and that is a real ZIP code: Campbellsville, KY, 1,829 miles away.
  • 👥 46 other ZIP codes are made of exactly the same digits (12749, 12974, 14729, 17249, 19472, 21749, …). The farthest-flung twin is 12974 in Port Henry, NY, 2,447 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 91%.
  • 🎯1,133 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91724 and you would come out at 34.08°S, 62.15°E — 999 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 6.2 square miles of land, 91724 is bigger than 21% of ZIP codes — room for about 4.7 Central Parks.
🌙 The sky over 91724 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population28,352This ZIP28,352
Households9,125This ZIP9,125
Housing units9,472This ZIP9,472
Median age38.0This ZIP38.0California37.9US 38.9
Median household income$103,163This ZIP$103,163California$99,122US $80,734
Median home value$782,700This ZIP$782,700California$734,700US $332,700
Median gross rent$2,142This ZIP$2,142California$2,036US $1,413
Bachelor's degree or higher35.5%This ZIP35.5%
Mean commute29.1 minThis ZIP29.1 min
Population density4,546.5 / sq miThis ZIP4,546.5 / sq mi

Business and tax activity

Business establishments548This ZIP548
Employees5,579This ZIP5,579
Annual payroll$303,557,000This ZIP$303,557,000
Tax returns filed13,080This ZIP13,080
Total adjusted gross income$1,186,823,000This ZIP$1,186,823,000

Land area

Land area6.24 sq miThis ZIP6.24 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 91724

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

ZIP codes near 91724

ZIPCityDistance
91723 Covina, CA 1.9 mi
91791 West Covina, CA 2.5 mi
91740 Glendora, CA 2.8 mi
91722 Covina, CA 3.2 mi
91773 San Dimas, CA 3.3 mi
91768 Pomona, CA 3.8 mi
91788 Walnut, CA 4.1 mi
91789 Walnut, CA 4.2 mi
91792 West Covina, CA 4.8 mi
91790 West Covina, CA 4.8 mi

Find every ZIP code within 10 miles of 91724 →

Questions about this ZIP code

Where is ZIP code 91724?

91724 is in Covina, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.0790, -117.8544.

What county is 91724 in?

91724 lies in Los Angeles County.

What area code is 91724?

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

What time zone is 91724 in?

91724 uses America/Los_Angeles.

How many people live in 91724?

About 28,352 people live in ZIP code 91724, in 9,125 households, at 4,546.5 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 91724?

$103,163 a year, against $99,122 across California.

What ZIP codes are near 91724?

The closest are 91723 (1.9 mi), 91791 (2.5 mi), 91740 (2.8 mi), 91722 (3.2 mi) and 91773 (3.3 mi).

Is 91724 a PO Box ZIP code?

91724 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91724 ZIP Code — Covina, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91724

Machine-readable version of these facts:

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