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zipcodes.pro — ZIP/91942

91942

ZIP 91942 is in La Mesa, California, in San Diego County; area codes 619 and 858; Pacific time. La Mesa has 4 ZIP codes; the others are 91941, 91943 and 91944.

Type
Standard
Time zone
America/Los_Angeles
County
San Diego
Population
41,424
Coordinates
32.7773, -117.0213
☼ Live from 91942 — La Mesa, CA

Weather right now

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Local time: —

Where 91942 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 91942
  • 🔢 Type 91942 into a pocket calculator and turn it upside down: ZhGIG — not quite a word, sorry.
  • ➕ As a number, 91,942 = 2 × 45971. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011100100110
  • 🏠 Its numerical neighbours: 91941 (La Mesa, CA, 2 mi away) and 91943 (La Mesa, CA, 1 mi away).
  • 🔄 Backwards, 91942 becomes 24919, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (12949, 19429, 19492, 24991, 29419, 29914, …). The farthest-flung twin is 12949 in Lawrenceville, NY, 2,396 miles away.
  • 🧭 Farther south than 85% of all ZIP codes, and farther west than 90%.
  • 🎯1,134 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91942 and you would come out at 32.78°S, 62.98°E — 935 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 19m of daylight. Shortest: 9h 59m.
  • 📏 At 5.8 square miles of land, 91942 is bigger than 20% of ZIP codes — room for about 4.4 Central Parks.
🌙 The sky over 91942 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population41,424This ZIP41,424
Households17,684This ZIP17,684
Housing units18,607This ZIP18,607
Median age37.7This ZIP37.7California37.9US 38.9
Median household income$92,896This ZIP$92,896California$99,122US $80,734
Median home value$775,700This ZIP$775,700California$734,700US $332,700
Median gross rent$2,032This ZIP$2,032California$2,036US $1,413
Bachelor's degree or higher40.9%This ZIP40.9%
Mean commute23.7 minThis ZIP23.7 min
Population density7,179.2 / sq miThis ZIP7,179.2 / sq mi

Business and tax activity

Business establishments1,532This ZIP1,532
Employees20,503This ZIP20,503
Annual payroll$1,239,011,000This ZIP$1,239,011,000
Tax returns filed20,700This ZIP20,700
Total adjusted gross income$1,649,179,000This ZIP$1,649,179,000

Land area

Land area5.77 sq miThis ZIP5.77 sq mi
Water area0.00 sq mi

Other place names in 91942

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

ZIP codes near 91942

ZIPCityDistance
91943 La Mesa, CA 0.7 mi
91944 La Mesa, CA 0.7 mi
91941 La Mesa, CA 1.9 mi
91946 Lemon Grove, CA 2.5 mi
91976 Spring Valley, CA 2.6 mi
91979 Spring Valley, CA 2.6 mi
92119 San Diego, CA 2.9 mi
92182 San Diego, CA 3.1 mi
92115 San Diego, CA 3.1 mi
91945 Lemon Grove, CA 3.1 mi

Find every ZIP code within 10 miles of 91942 →

Questions about this ZIP code

Where is ZIP code 91942?

91942 is in La Mesa, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.7773, -117.0213.

What county is 91942 in?

91942 lies in San Diego County.

What area code is 91942?

La Mesa uses area codes 619 and 858, from NANPA's telephone records.

What time zone is 91942 in?

91942 uses America/Los_Angeles.

How many people live in 91942?

About 41,424 people live in ZIP code 91942, in 17,684 households, at 7,179.2 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 91942?

$92,896 a year, against $99,122 across California.

What ZIP codes are near 91942?

The closest are 91943 (0.7 mi), 91944 (0.7 mi), 91941 (1.9 mi), 91946 (2.5 mi) and 91976 (2.6 mi).

Is 91942 a PO Box ZIP code?

91942 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91942 ZIP Code — La Mesa, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91942

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91942.json

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