Residential delivery area · California
ZIP Code 90240: Downey, CA
ZIP code 90240 is in Downey, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 25,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Downey's 3 residential ZIP codes. Median household income is $101,904 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Downey · 3 residential ZIPs
- County
- Los Angeles County
- Census places
- Downey
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House districts
- CA-38 (51%), CA-42 (49%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 3.0 sq mi · 8,260 people per sq mi
- PO Box ZIPs
- 90239 also use the name Downey
Where is ZIP code 90240?
90240 centers on 33.956°, -118.118° and covers 3.0 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 90241, 90660, 90040, 90201, 90670.
The map draws ZIP code areas only. For the streets inside 90240, 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 90240 compare with the rest of Downey?
| Measure | 90240 | In Downey | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 24,853 | 3rd of 3 | 198th of 301 | 726th of 1,802 |
| Median household income | $102k | 1st of 3 | 114th of 265 | 564th of 1,189 |
| Median home value | $816k | 2nd of 3 | 153rd of 273 | 544th of 1,317 |
Its median household income is higher than in 82% 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 90240?
The 2020 Census counted 26,495 people in 90240; the ACS, which samples households over 2020-2024, estimates 24,853. Between the 2010 and 2020 censuses its population grew 2.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 24,853
- 2020 Census count
- 26,495+2.4% since 2010 (25,876)
- Households
- 7,775
- Median age
- 38.9
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 90240?
Of the 24,853 people the ACS estimates in 90240, 21.8% are under 18 and 13.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (71.9%), then White (not Hispanic) (13.2%).
- Under 1821.8%
- 18 to 6464.9%
- 65 and older13.3%
- Hispanic or Latino71.9%
- White, not Hispanic13.2%
- Asian, not Hispanic9.5%
- Black, not Hispanic3.4%
- Other or two or more2.0%
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 90240 earn?
Median household income is $101,904 (ACS 2020-2024), the 114th highest of the 265 ranked ZIP codes in Los Angeles County. It is not measurably different from 2015-2019 ($105,991 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $101,904±$11,427
- Income per person
- $43,607
- Below the poverty line
- 9.6%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 29.3%
- Adjusted gross income per tax return, 2022
- $85,87212,380 returns; wages 69% 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 90240?
FHFA's house price index for 90240, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 41% from 2020 to 2025, and moved −0.2% in 2025.
- Median home value (owners' estimate)
- $815,600
- Median gross rent
- $1,926
- Homes owned by their occupants
- 64.9%
- Housing units
- 8,060
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 90240?
610 business establishments had a location in this ZIP code in 2023, 62 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance93
- Accommodation and food services79
- Professional, scientific, and technical services75
- Real estate and rental and leasing60
- Other services (except public administration)60
- Construction56
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 90240?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 90241 | Downey | 45,319 | $88k | 1.2 mi |
| 90660 | Pico Rivera | 60,272 | $88k | 2.9 mi |
| 90040 | Los Angeles | 11,430 | $75k | 3.2 mi |
| 90201 | Bell Gardens | 92,763 | $61k | 3.2 mi |
| 90670 | Santa Fe Springs | 17,851 | $89k | 3.5 mi |
| 90242 | Downey | 40,767 | $89k | 2.7 mi (near) |
| 90606 | Whittier | 32,057 | $100k | 3.3 mi (near) |
| 90650 | Norwalk | 99,900 | $100k | 3.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.