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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/90042

90042

ZIP 90042 is in Los Angeles, California, in Los Angeles County; area codes 213, 323 and 738; Pacific time. Los Angeles has 94 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
56,835
Coordinates
34.1147, -118.1921
☼ Live from 90042 — Los Angeles, CA

Weather right now

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Local time: —

Where 90042 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 90042
  • 🔢 Type 90042 into a pocket calculator and turn it upside down: ZhOOG — not quite a word, sorry.
  • ➕ As a number, 90,042 = 2 × 3 × 43 × 349. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10101111110111010
  • 🏠 Its numerical neighbours: 90041 (Los Angeles, CA, 2 mi away) and 90043 (Los Angeles, CA, 12 mi away).
  • 🔄 Backwards, 90042 becomes 24009 — and that is a real ZIP code: Roanoke, VA, 2,142 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (00924, 02904, 02940, 04029, 04092, 04290, …). The farthest-flung twin is 09420 in FPO AE, a military post office, 5,255 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 91%.
  • 🎯1,149 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90042 and you would come out at 34.11°S, 61.81°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 4.5 square miles of land, 90042 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 90042 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population56,835This ZIP56,835
Households21,489This ZIP21,489
Housing units22,639This ZIP22,639
Median age38.6This ZIP38.6California37.9US 38.9
Median household income$95,282This ZIP$95,282California$99,122US $80,734
Median home value$976,400This ZIP$976,400California$734,700US $332,700
Median gross rent$1,913This ZIP$1,913California$2,036US $1,413
Bachelor's degree or higher42.8%This ZIP42.8%
Mean commute31.4 minThis ZIP31.4 min
Population density12,576.9 / sq miThis ZIP12,576.9 / sq mi

Business and tax activity

Business establishments1,089This ZIP1,089
Employees5,437This ZIP5,437
Annual payroll$251,444,000This ZIP$251,444,000
Tax returns filed26,890This ZIP26,890
Total adjusted gross income$2,128,260,000This ZIP$2,128,260,000

Land area

Land area4.52 sq miThis ZIP4.52 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 90042

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

ZIP codes near 90042

ZIPCityDistance
90041 Los Angeles, CA 1.8 mi
91030 South Pasadena, CA 2.1 mi
90065 Los Angeles, CA 2.1 mi
91105 Pasadena, CA 2.2 mi
90031 Los Angeles, CA 2.3 mi
91031 South Pasadena, CA 2.4 mi
90032 Los Angeles, CA 2.5 mi
91206 Glendale, CA 3.4 mi
91205 Glendale, CA 3.4 mi
91102 Pasadena, CA 3.6 mi

Find every ZIP code within 10 miles of 90042 →

Questions about this ZIP code

Where is ZIP code 90042?

90042 is in Los Angeles, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.1147, -118.1921.

What county is 90042 in?

90042 lies in Los Angeles County.

What area code is 90042?

Los Angeles uses area codes 213, 323 and 738, from NANPA's telephone records.

What time zone is 90042 in?

90042 uses America/Los_Angeles.

How many people live in 90042?

About 56,835 people live in ZIP code 90042, in 21,489 households, at 12,576.9 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 90042?

$95,282 a year, against $99,122 across California.

What ZIP codes are near 90042?

The closest are 90041 (1.8 mi), 91030 (2.1 mi), 90065 (2.1 mi), 91105 (2.2 mi) and 90031 (2.3 mi).

Is 90042 a PO Box ZIP code?

90042 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “90042 ZIP Code — Los Angeles, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90042

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