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/91905

91905

ZIP 91905 is Boulevard, California, in San Diego County; area codes 619 and 858; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
San Diego
Population
1,683
Coordinates
32.6786, -116.3075
☼ Live from 91905 — Boulevard, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 91905 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 91905
  • 🔢 Type 91905 into a pocket calculator and turn it upside down: SOGIG — not quite a word, sorry.
  • ➕ As a number, 91,905 = 3 × 5 × 11 × 557. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011100000001
  • 🏠 Its numerical neighbours: 91903 (Alpine, CA, 29 mi away) and 91906 (Campo, CA, 10 mi away).
  • 🔄 Backwards, 91905 becomes 50919, which is not a ZIP code at all.
  • 👥 18 other ZIP codes are made of exactly the same digits (10959, 15909, 19095, 19905, 19950, 59019, …). The farthest-flung twin is 99501 in Anchorage, AK, 2,474 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther west than 89%.
  • 🎯1,102 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91905 and you would come out at 32.68°S, 63.69°E — 945 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 83.6 square miles of land, 91905 is bigger than 74% of ZIP codes — room for about 63 Central Parks.
🌙 The sky over 91905 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,683This ZIP1,683
Households561This ZIP561
Housing units599This ZIP599
Median age50.9This ZIP50.9California37.9US 38.9
Median household income$77,886This ZIP$77,886California$99,122US $80,734
Median home value$394,400This ZIP$394,400California$734,700US $332,700
Median gross rent$1,163This ZIP$1,163California$2,036US $1,413
Bachelor's degree or higher13.6%This ZIP13.6%
Mean commute38.0 minThis ZIP38.0 min
Population density20.1 / sq miThis ZIP20.1 / sq mi

Business and tax activity

Business establishments22This ZIP22
Employees70This ZIP70
Annual payroll$3,371,000This ZIP$3,371,000
Tax returns filed740This ZIP740
Total adjusted gross income$46,197,000This ZIP$46,197,000

Land area

Land area83.58 sq miThis ZIP83.58 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 91905

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

ZIP codes near 91905

ZIPCityDistance
91934 Jacumba, CA 9.2 mi
91906 Campo, CA 9.9 mi
91948 Mount Laguna, CA 16.1 mi
91963 Potrero, CA 16.9 mi
91962 Pine Valley, CA 16.9 mi
91931 Guatay, CA 19.3 mi
91987 Tecate, CA 19.9 mi
91980 Tecate, CA 20.0 mi
92259 Ocotillo, CA 21.3 mi
92036 Julian, CA 24.6 mi

Find every ZIP code within 10 miles of 91905 →

Questions about this ZIP code

Where is ZIP code 91905?

91905 is in Boulevard, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.6786, -116.3075.

What county is 91905 in?

91905 lies in San Diego County.

What area code is 91905?

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

What time zone is 91905 in?

91905 uses America/Los_Angeles.

How many people live in 91905?

About 1,683 people live in ZIP code 91905, in 561 households, at 20.1 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 91905?

$77,886 a year, against $99,122 across California.

What ZIP codes are near 91905?

The closest are 91934 (9.2 mi), 91906 (9.9 mi), 91948 (16.1 mi), 91963 (16.9 mi) and 91962 (16.9 mi).

Is 91905 a PO Box ZIP code?

91905 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “91905 ZIP Code — Boulevard, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91905

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91905.json

Underlying data is public domain or openly licensed — sources, vintages and licences.