Residential delivery area · California
ZIP Code 91790: West Covina, CA
ZIP code 91790 is in West Covina, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 45,000 people live there (Census Bureau, ACS 2020-2024), the most populous of West Covina's 3 residential ZIP codes. Median household income is $102,927 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- West Covina · 3 residential ZIPs
- County
- Los Angeles County
- Census places
- West Covina
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-31 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 5.8 sq mi · 7,768 people per sq mi
- PO Box ZIPs
- 91793 also use the name West Covina
Where is ZIP code 91790?
91790 centers on 34.067°, -117.937° and covers 5.8 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 91744, 91791, 91706, 91722, 91746.
The map draws ZIP code areas only. For the streets inside 91790, 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 91790 compare with the rest of West Covina?
| Measure | 91790 | In West Covina | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 44,710 | 1st of 3 | 74th of 301 | 310th of 1,802 |
| Median household income | $103k | 1st of 3 | 109th of 265 | 548th of 1,189 |
| Median home value | $771k | 2nd of 3 | 173rd of 273 | 607th of 1,317 |
Its median household income is higher than in 83% of U.S. residential ZIP codes, and it is denser than 97% 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 91790?
The 2020 Census counted 46,364 people in 91790; the ACS, which samples households over 2020-2024, estimates 44,710. Between the 2010 and 2020 censuses its population grew 3.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 44,710
- 2020 Census count
- 46,364+3.2% since 2010 (44,907)
- Households
- 12,971
- Median age
- 39.1
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 91790?
Of the 44,710 people the ACS estimates in 91790, 21.7% are under 18 and 17.0% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (60.0%), then Asian (not Hispanic) (24.1%).
- Under 1821.7%
- 18 to 6461.3%
- 65 and older17.0%
- Hispanic or Latino60.0%
- Asian, not Hispanic24.1%
- White, not Hispanic10.7%
- Black, not Hispanic3.2%
- Other or two or more1.9%
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 91790 earn?
Median household income is $102,927 (ACS 2020-2024), the 109th highest of the 265 ranked ZIP codes in Los Angeles County. It is not measurably different from 2015-2019 ($100,770 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $102,927
- Income per person
- $37,383
- Below the poverty line
- 9.6%
- Unemployed (of the labor force)
- 6.2%
- Adults 25+ with a bachelor's degree
- 24.7%
- Adjusted gross income per tax return, 2022
- $65,11121,810 returns; wages 81% 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 91790?
FHFA's house price index for 91790, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +3.8% in 2025.
- Median home value (owners' estimate)
- $770,900
- Median gross rent
- $2,391
- Homes owned by their occupants
- 61.4%
- Housing units
- 13,600
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 91790?
1,130 business establishments had a location in this ZIP code in 2023, 211 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance255
- Retail trade167
- Accommodation and food services111
- Professional, scientific, and technical services109
- Transportation and warehousing93
- Other services (except public administration)87
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 91790?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91744 | La Puente | 76,942 | $94k | 2.5 mi |
| 91791 | West Covina | 33,028 | $102k | 2.6 mi |
| 91706 | Baldwin Park | 71,082 | $81k | 2.8 mi |
| 91722 | Covina | 35,099 | $102k | 2.7 mi |
| 91746 | La Puente | 28,387 | $87k | 3.3 mi |
| 91723 | Covina | 17,733 | $94k | 3.1 mi (near) |
| 91792 | West Covina | 30,629 | $95k | 3.7 mi (near) |
| 91732 | El Monte | 57,431 | $75k | 4.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.