Residential delivery area · California
ZIP Code 91340: San Fernando, CA
ZIP code 91340 is in San Fernando, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 33,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $85,261 (Census Bureau, ACS 2020-2024). By Census place, its land lies in San Fernando (68%) and Los Angeles (32%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Fernando · its only residential ZIP
- County
- Los Angeles County
- Census places
- San Fernando (68%); Los Angeles (32%)
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-29 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 3.4 sq mi · 9,742 people per sq mi
- PO Box ZIPs
- 91341 also use the name San Fernando
Where is ZIP code 91340?
91340 centers on 34.287°, -118.435° and covers 3.4 square miles of land. It borders 3 ZIP codes: 91345, 91331, 91342.
The map draws ZIP code areas only. For the streets inside 91340, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 91340 compare with the rest of Los Angeles County?
| Measure | 91340 | In Los Angeles County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 33,424 | 130th of 301 | 522nd of 1,802 |
| Median household income | $85k | 166th of 265 | 768th of 1,189 |
| Median home value | $662k | 213th of 273 | 722nd of 1,317 |
Its median household income is higher than in 68% of U.S. residential ZIP codes, and it is denser than 98% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 91340?
The 2020 Census counted 34,610 people in 91340; the ACS, which samples households over 2020-2024, estimates 33,424. Between the 2010 and 2020 censuses its population grew 1.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 33,424
- 2020 Census count
- 34,610+1.2% since 2010 (34,188)
- Households
- 8,477
- Median age
- 37.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 91340?
Of the 33,424 people the ACS estimates in 91340, 21.5% are under 18 and 13.7% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (91.7%).
- Under 1821.5%
- 18 to 6464.8%
- 65 and older13.7%
- Hispanic or Latino91.7%
- White, not Hispanic3.7%
- Asian, not Hispanic2.0%
- Black, not Hispanic1.9%
- Other or two or more0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 91340 earn?
Median household income is $85,261 (ACS 2020-2024), the 166th highest of the 265 ranked ZIP codes in Los Angeles County. It rose from $70,427 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $85,261
- Income per person
- $30,045
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 6.9%
- Adults 25+ with a bachelor's degree
- 13.6%
- Adjusted gross income per tax return, 2022
- $50,22715,440 returns; wages 86% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 91340?
FHFA's house price index for 91340, built from repeat sales and appraisals of the same homes, rose 99% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +1.6% in 2025.
- Median home value (owners' estimate)
- $661,500
- Median gross rent
- $1,813
- Homes owned by their occupants
- 64.5%
- Housing units
- 9,015
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 91340?
842 business establishments had a location in this ZIP code in 2023, 84 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction116
- Health care and social assistance102
- Retail trade95
- Accommodation and food services84
- Manufacturing80
- Other services (except public administration)80
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 91340?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91345 | Mission Hills | 18,714 | $94k | 1.9 mi |
| 91331 | Pacoima | 97,608 | $84k | 2.3 mi |
| 91342 | Sylmar | 93,301 | $98k | 4.1 mi |
| 91344 | Granada Hills | 52,890 | $119k | 4.0 mi (near) |
| 91343 | North Hills | 60,783 | $81k | 4.3 mi (near) |
| 91402 | Panorama City | 65,754 | $57k | 4.5 mi (near) |
| 91352 | Sun Valley | 46,899 | $78k | 5.5 mi (near) |
| 91605 | North Hollywood | 49,868 | $66k | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name San Fernando?
1 more ZIP code carries the postal name San Fernando, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 91341 | Los Angeles County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.