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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/92101

92101

ZIP 92101 is in San Diego, California, in San Diego County; area codes 619 and 858; Pacific time. San Diego has 76 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
San Diego
Population
51,805
Coordinates
32.7178, -117.1721
☼ Live from 92101 — San Diego, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 92101 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 92101
  • 🔢 Type 92101 into a pocket calculator and turn it upside down: IOIZG — not quite a word, sorry.
  • ➕ As a number, 92,101 = 31 × 2971. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011111000101
  • 🏠 Its numerical neighbours: 92096 (San Marcos, CA, 28 mi away) and 92102 (San Diego, CA, 3 mi away).
  • 🔄 Backwards, 92101 becomes 10129 — and that is a real ZIP code: New York, NY, 2,430 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (01129, 01921, 02119, 02191, 02911, 09112, …). The farthest-flung twin is 09112 in APO AE, a military post office, 5,856 miles away.
  • 🧭 Farther south than 85% of all ZIP codes, and farther west than 90%.
  • 🎯1,143 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92101 and you would come out at 32.72°S, 62.83°E — 928 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 18m of daylight. Shortest: 10h 00m.
  • 📏 At 5.4 square miles of land, 92101 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
🌙 The sky over 92101 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population51,805This ZIP51,805
Households30,214This ZIP30,214
Housing units34,605This ZIP34,605
Median age37.0This ZIP37.0California37.9US 38.9
Median household income$91,566This ZIP$91,566California$99,122US $80,734
Median home value$793,100This ZIP$793,100California$734,700US $332,700
Median gross rent$2,412This ZIP$2,412California$2,036US $1,413
Bachelor's degree or higher58.1%This ZIP58.1%
Mean commute22.9 minThis ZIP22.9 min
Population density9,618.5 / sq miThis ZIP9,618.5 / sq mi

Business and tax activity

Business establishments4,280This ZIP4,280
Employees77,128This ZIP77,128
Annual payroll$6,452,892,000This ZIP$6,452,892,000
Tax returns filed24,790This ZIP24,790
Total adjusted gross income$3,010,238,000This ZIP$3,010,238,000

Land area

Land area5.39 sq miThis ZIP5.39 sq mi
Water area5.66 sq miThis ZIP5.66 sq mi

Other place names in 92101

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

ZIP codes near 92101

ZIPCityDistance
92132 San Diego, CA 0.3 mi
92112 San Diego, CA 0.9 mi
92138 San Diego, CA 0.9 mi
92142 San Diego, CA 0.9 mi
92149 San Diego, CA 0.9 mi
92150 San Diego, CA 0.9 mi
92152 San Diego, CA 0.9 mi
92153 San Diego, CA 0.9 mi
92158 San Diego, CA 0.9 mi
92159 San Diego, CA 0.9 mi

Find every ZIP code within 10 miles of 92101 →

Questions about this ZIP code

Where is ZIP code 92101?

92101 is in San Diego, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.7178, -117.1721.

What county is 92101 in?

92101 lies in San Diego County.

What area code is 92101?

San Diego uses area codes 619 and 858, from NANPA's telephone records.

What time zone is 92101 in?

92101 uses America/Los_Angeles.

How many people live in 92101?

About 51,805 people live in ZIP code 92101, in 30,214 households, at 9,618.5 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 92101?

$91,566 a year, against $99,122 across California.

What ZIP codes are near 92101?

The closest are 92132 (0.3 mi), 92112 (0.9 mi), 92138 (0.9 mi), 92142 (0.9 mi) and 92149 (0.9 mi).

Is 92101 a PO Box ZIP code?

92101 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92101 ZIP Code — San Diego, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92101

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