Residential delivery area · California
ZIP Code 91331: Pacoima, CA
ZIP code 91331 uses the postal name Pacoima, California and lies entirely in Los Angeles County (Census 2020 ZIP-county file). About 98,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $84,227 (Census Bureau, ACS 2020-2024). Most of its land (100%) lies in the city of Los Angeles.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Pacoima · its only residential ZIP
- County
- Los Angeles County
- Census places
- Los Angeles
- Neighborhood
- Arleta GeoNames
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House districts
- CA-29 (91%), CA-30 (9%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 9.3 sq mi · 10,445 people per sq mi
Where is ZIP code 91331?
91331 centers on 34.255°, -118.420° and covers 9.3 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 91345, 91340, 91402, 91352, 91040, 91342.
The map draws ZIP code areas only. For the streets inside 91331, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 91331 compare with the rest of Los Angeles County?
| Measure | 91331 | In Los Angeles County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 97,608 | 3rd of 301 | 5th of 1,802 |
| Median household income | $84k | 169th of 265 | 780th of 1,189 |
| Median home value | $633k | 229th of 273 | 770th of 1,317 |
Its median household income is higher than in 67% 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 91331?
The 2020 Census counted 100,720 people in 91331; the ACS, which samples households over 2020-2024, estimates 97,608. Between the 2010 and 2020 censuses its population fell 2.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 97,608
- 2020 Census count
- 100,720−2.9% since 2010 (103,689)
- Households
- 23,227
- Median age
- 35.4
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 91331?
Of the 97,608 people the ACS estimates in 91331, 23.7% are under 18 and 12.9% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (88.3%).
- Under 1823.7%
- 18 to 6463.4%
- 65 and older12.9%
- Hispanic or Latino88.3%
- Asian, not Hispanic4.7%
- White, not Hispanic3.8%
- Black, not Hispanic1.8%
- Other or two or more1.4%
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 91331 earn?
Median household income is $84,227 (ACS 2020-2024), the 169th highest of the 265 ranked ZIP codes in Los Angeles County. It rose from $78,291 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $84,227
- Income per person
- $25,242
- Below the poverty line
- 16.2%
- Unemployed (of the labor force)
- 6.7%
- Adults 25+ with a bachelor's degree
- 11.0%
- Adjusted gross income per tax return, 2022
- $47,13744,100 returns; wages 87% 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 91331?
FHFA's house price index for 91331, built from repeat sales and appraisals of the same homes, rose 109% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +0.9% in 2025.
- Median home value (owners' estimate)
- $633,200
- Median gross rent
- $1,844
- Homes owned by their occupants
- 62.4%
- Housing units
- 24,025
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 91331?
1,068 business establishments had a location in this ZIP code in 2023, 146 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction195
- Retail trade143
- Health care and social assistance106
- Accommodation and food services97
- Manufacturing95
- Transportation and warehousing87
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 91331?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91345 | Mission Hills | 18,714 | $94k | 2.2 mi |
| 91340 | San Fernando | 33,424 | $85k | 2.3 mi |
| 91402 | Panorama City | 65,754 | $57k | 2.7 mi |
| 91352 | Sun Valley | 46,899 | $78k | 3.5 mi |
| 91040 | Sunland | 20,821 | $98k | 4.6 mi |
| 91342 | Sylmar | 93,301 | $98k | 5.4 mi |
| 91605 | North Hollywood | 49,868 | $66k | 3.5 mi (near) |
| 91343 | North Hills | 60,783 | $81k | 3.8 mi (near) |
| 91405 | Van Nuys | 56,033 | $63k | 4.0 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 Pacoima?
2 more ZIP codes carry the postal name Pacoima, 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 them.
| ZIP | County |
|---|---|
| 91333 | Los Angeles County |
| 91334 | 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.