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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/91324

91324

ZIP 91324 is in Northridge, California, in Los Angeles County; area codes 818 and 747; Pacific time. Northridge has 6 ZIP codes; the others are 91325, 91327, 91328, 91329 and 91330.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
30,699
Coordinates
34.2382, -118.5503
☼ Live from 91324 — Northridge, CA

Weather right now

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Local time: —

Where 91324 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 91324
  • 🔢 Type 91324 into a pocket calculator and turn it upside down: hZEIG — not quite a word, sorry.
  • ➕ As a number, 91,324 = 2 × 2 × 17 × 17 × 79. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110010010111100
  • 🏠 Its numerical neighbours: 91322 (Newhall, CA, 10 mi away) and 91325 (Northridge, CA, 2 mi away).
  • 🔄 Backwards, 91324 becomes 42319, which is not a ZIP code at all.
  • 👥 41 other ZIP codes are made of exactly the same digits (12439, 12493, 12934, 12943, 13492, 19342, …). The farthest-flung twin is 12934 in Ellenburg Center, NY, 2,457 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 92%.
  • 🎯1,164 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91324 and you would come out at 34.24°S, 61.45°E — 993 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
  • 📏 At 4.3 square miles of land, 91324 is bigger than 17% of ZIP codes — room for about 3.2 Central Parks.
🌙 The sky over 91324 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population30,699This ZIP30,699
Households10,730This ZIP10,730
Housing units11,618This ZIP11,618
Median age37.7This ZIP37.7California37.9US 38.9
Median household income$99,610This ZIP$99,610California$99,122US $80,734
Median home value$906,300This ZIP$906,300California$734,700US $332,700
Median gross rent$2,307This ZIP$2,307California$2,036US $1,413
Bachelor's degree or higher37.6%This ZIP37.6%
Mean commute28.8 minThis ZIP28.8 min
Population density7,209.7 / sq miThis ZIP7,209.7 / sq mi

Business and tax activity

Business establishments1,628This ZIP1,628
Employees17,810This ZIP17,810
Annual payroll$824,624,000This ZIP$824,624,000
Tax returns filed14,340This ZIP14,340
Total adjusted gross income$1,180,864,000This ZIP$1,180,864,000

Land area

Land area4.26 sq miThis ZIP4.26 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 91324

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

ZIP codes near 91324

ZIPCityDistance
91327 Northridge, CA 1.0 mi
91328 Northridge, CA 1.0 mi
91329 Northridge, CA 1.0 mi
91330 Northridge, CA 1.4 mi
91325 Northridge, CA 1.9 mi
91396 Winnetka, CA 2.1 mi
91394 Granada Hills, CA 2.4 mi
91306 Winnetka, CA 2.5 mi
91335 Reseda, CA 2.7 mi
91337 Reseda, CA 2.7 mi

Find every ZIP code within 10 miles of 91324 →

Questions about this ZIP code

Where is ZIP code 91324?

91324 is in Northridge, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.2382, -118.5503.

What county is 91324 in?

91324 lies in Los Angeles County.

What area code is 91324?

Northridge uses area codes 818 and 747, from NANPA's telephone records.

What time zone is 91324 in?

91324 uses America/Los_Angeles.

How many people live in 91324?

About 30,699 people live in ZIP code 91324, in 10,730 households, at 7,209.7 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 91324?

$99,610 a year, against $99,122 across California.

What ZIP codes are near 91324?

The closest are 91327 (1 mi), 91328 (1 mi), 91329 (1 mi), 91330 (1.4 mi) and 91325 (1.9 mi).

Is 91324 a PO Box ZIP code?

91324 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91324 ZIP Code — Northridge, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91324

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