ZIP code · San Fernando · California · United States
ZIP code 91340 — San Fernando
ZIP code 91340 serves San Fernando, California.
- Postal code
- 91340Single source Value from one source, not cross-checked.
- City
- San Fernando
- County
- Los Angeles FIPS 06037
- State
- California
- Country
- United States
- Coordinates
- 34.2875, -118.4352 — precision precise (locality)
View on OpenStreetMap - Population
- 33,750 (ZCTA, ACS 5-year)
- Population density
- 9,833 / sq mi
- Land area
- 3.4 sq mi (8.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $79,124
- Per-capita income
- $28,597
- Median age
- 36.4
- Households
- 8,542
- Housing units
- 9,011
- Median home value
- $624,900
- Median gross rent
- $1,740 / month
- Congressional district
- CA-29 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 91340 with another ZIP · ZIPs within 25 miles · distance from 91340
Map of ZIP code 91340
Climate — monthly normals
Warmest month Aug (avg high 92°F), coldest Dec (avg low 46°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 67 | 68 | 71 | 75 | 78 | 84 | 90 | 92 | 89 | 82 | 74 | 67 |
| Avg low °F | 47 | 47 | 49 | 52 | 56 | 60 | 64 | 64 | 62 | 56 | 50 | 46 |
| Precip in | 3.4 | 3.9 | 2.4 | 0.7 | 0.4 | 0.1 | 0.0 | 0.0 | 0.1 | 0.6 | 0.8 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: NORTHRIDGE CAL STATE (5.9 mi) · NOAA NCEI
Places in ZIP 91340
- 20 schools
- 8 hospitals & clinics
- 15 doctors & dentists
- 2 pharmacies
- 4 supermarkets
- 64 restaurants & cafés
- 4 bars & pubs
- 13 parks
- 7 playgrounds
- 4 gyms & sports centres
- 1 libraries
- 3 post offices
- 21 places of worship
- 5 banks
- 4 gas stations
- 4 EV charging stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page