91340
ZIP 91340 is in San Fernando, California, in Los Angeles County; area codes 818 and 747; Pacific time. San Fernando has 2 ZIP codes; the other is 91341.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- Los Angeles
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- Population
- 33,424
- Coordinates
- 34.2867, -118.4348
Weather right now
Asking the National Weather Service…
Where 91340 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.
- 🔢 Type 91340 into a pocket calculator and turn it upside down: OhEIG — not quite a word, sorry.
- ➕ As a number, 91,340 = 2 × 2 × 5 × 4567. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110010011001100 - 🏠 Its numerical neighbours: 91337 (Reseda, CA, 8 mi away) and 91341 (San Fernando, CA, 0 mi away).
- 🔄 Backwards, 91340 becomes 04319, which is not a ZIP code at all.
- 👥 50 other ZIP codes are made of exactly the same digits (01349, 09143, 13409, 13490, 13904, 14039, …). The farthest-flung twin is 09143 in APO AE, a military post office, 5,747 miles away.
- 🧭 Farther south than 77% of all ZIP codes, and farther west than 92%.
- 🎯1,157 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 91340 and you would come out at 34.29°S, 61.57°E — 998 miles from Saint-Denis, Reunion, the nearest big city to that spot.
- ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
- 📏 At 3.4 square miles of land, 91340 is bigger than 15% of ZIP codes — room for about 2.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 33,424This ZIP33,424 |
|---|---|
| Households | 8,477This ZIP8,477 |
| Housing units | 9,015This ZIP9,015 |
| Median age | 37.4This ZIP37.4California37.9US 38.9 |
| Median household income | $85,261This ZIP$85,261California$99,122US $80,734 |
| Median home value | $661,500This ZIP$661,500California$734,700US $332,700 |
| Median gross rent | $1,813This ZIP$1,813California$2,036US $1,413 |
| Bachelor's degree or higher | 13.6%This ZIP13.6% |
| Mean commute | 30.0 minThis ZIP30.0 min |
| Population density | 9,741.8 / sq miThis ZIP9,741.8 / sq mi |
Business and tax activity
| Business establishments | 842This ZIP842 |
|---|---|
| Employees | 12,354This ZIP12,354 |
| Annual payroll | $678,789,000This ZIP$678,789,000 |
| Tax returns filed | 15,440This ZIP15,440 |
| Total adjusted gross income | $775,510,000This ZIP$775,510,000 |
Land area
| Land area | 3.43 sq miThis ZIP3.43 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 91340
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 91340
| ZIP | City | Distance |
|---|---|---|
91341 | San Fernando, CA | 0.4 mi |
91392 | Sylmar, CA | 1.7 mi |
91333 | Pacoima, CA | 1.7 mi |
91334 | Pacoima, CA | 1.7 mi |
91345 | Mission Hills, CA | 1.9 mi |
91331 | Pacoima, CA | 2.3 mi |
91346 | Mission Hills, CA | 2.7 mi |
91395 | Mission Hills, CA | 2.7 mi |
91344 | Granada Hills, CA | 4.0 mi |
91342 | Sylmar, CA | 4.1 mi |
Find every ZIP code within 10 miles of 91340 →
Questions about this ZIP code
Where is ZIP code 91340?
91340 is in San Fernando, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.2867, -118.4348.
What county is 91340 in?
91340 lies in Los Angeles County.
What area code is 91340?
San Fernando uses area codes 818 and 747, from NANPA's telephone records.
What time zone is 91340 in?
91340 uses America/Los_Angeles.
How many people live in 91340?
About 33,424 people live in ZIP code 91340, in 8,477 households, at 9,741.8 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 91340?
$85,261 a year, against $99,122 across California.
What ZIP codes are near 91340?
The closest are 91341 (0.4 mi), 91392 (1.7 mi), 91333 (1.7 mi), 91334 (1.7 mi) and 91345 (1.9 mi).
Is 91340 a PO Box ZIP code?
91340 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “91340 ZIP Code — San Fernando, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91340
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/91340.json Underlying data is public domain or openly licensed — sources, vintages and licences.