Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/94102

94102

ZIP 94102 is in San Francisco, California, in San Francisco County; area codes 415 and 628; Pacific time. San Francisco has 51 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
San Francisco
Population
35,976
Coordinates
37.7796, -122.4193
☼ Live from 94102 — San Francisco, CA

Weather right now

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Local time: —

Where 94102 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 94102
  • 🔢 Type 94102 into a pocket calculator and turn it upside down: ZOIhG — not quite a word, sorry.
  • ➕ As a number, 94,102 = 2 × 47051. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110111110010110
  • 🏠 Its numerical neighbours: 94089 (Sunnyvale, CA, 34 mi away) and 94103 (San Francisco, CA, 1 mi away).
  • 🔄 Backwards, 94102 becomes 20149 — and that is a real ZIP code: Ashburn, VA, 2,409 miles away.
  • 👥 56 other ZIP codes are made of exactly the same digits (02149, 02914, 04219, 04291, 04912, 04921, …). The farthest-flung twin is 09142 in APO AE, a military post office, 5,780 miles away.
  • 🧭 Farther south than 60% of all ZIP codes, and farther west than 97%.
  • 🎯1,288 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94102 and you would come out at 37.78°S, 57.58°E — 1,017 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
  • 📏 At 0.662 square miles of land, 94102 is bigger than 6% of ZIP codes — about 320 football fields.
🌙 The sky over 94102 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population35,976This ZIP35,976
Households19,935This ZIP19,935
Housing units23,629This ZIP23,629
Median age42.2This ZIP42.2California37.9US 38.9
Median household income$60,431This ZIP$60,431California$99,122US $80,734
Median home value$935,900This ZIP$935,900California$734,700US $332,700
Median gross rent$1,536This ZIP$1,536California$2,036US $1,413
Bachelor's degree or higher40.4%This ZIP40.4%
Mean commute27.7 minThis ZIP27.7 min
Population density54,344.4 / sq miThis ZIP54,344.4 / sq mi

Business and tax activity

Business establishments1,661This ZIP1,661
Employees31,203This ZIP31,203
Annual payroll$2,887,926,000This ZIP$2,887,926,000
Tax returns filed14,430This ZIP14,430
Total adjusted gross income$1,769,166,000This ZIP$1,769,166,000

Land area

Land area0.66 sq miThis ZIP0.66 sq mi
Water area0.00 sq mi

Other place names in 94102

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

ZIP codes near 94102

ZIPCityDistance
94119 San Francisco, CA 0.3 mi
94120 San Francisco, CA 0.3 mi
94125 San Francisco, CA 0.3 mi
94126 San Francisco, CA 0.3 mi
94137 San Francisco, CA 0.3 mi
94139 San Francisco, CA 0.3 mi
94140 San Francisco, CA 0.3 mi
94141 San Francisco, CA 0.3 mi
94142 San Francisco, CA 0.3 mi
94144 San Francisco, CA 0.3 mi

Find every ZIP code within 10 miles of 94102 →

Questions about this ZIP code

Where is ZIP code 94102?

94102 is in San Francisco, California, in San Francisco County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.7796, -122.4193.

What county is 94102 in?

94102 lies in San Francisco County.

What area code is 94102?

San Francisco uses area codes 415 and 628, from NANPA's telephone records.

What time zone is 94102 in?

94102 uses America/Los_Angeles.

How many people live in 94102?

About 35,976 people live in ZIP code 94102, in 19,935 households, at 54,344.4 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 94102?

$60,431 a year, against $99,122 across California.

What ZIP codes are near 94102?

The closest are 94119 (0.3 mi), 94120 (0.3 mi), 94125 (0.3 mi), 94126 (0.3 mi) and 94137 (0.3 mi).

Is 94102 a PO Box ZIP code?

94102 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94102 ZIP Code — San Francisco, California (San Francisco County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94102

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