Residential delivery area · California
ZIP Code 90638: La Mirada, CA
ZIP code 90638 is in La Mirada, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024), the more populous of La Mirada's 2 residential ZIP codes. Median household income is $109,649 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- La Mirada · 2 residential ZIPs
- County
- Los Angeles County
- Census places
- La Mirada
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-38 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 7.8 sq mi · 5,927 people per sq mi
- PO Box ZIPs
- 90637 also use the name La Mirada
Where is ZIP code 90638?
90638 centers on 33.902°, -118.009° and covers 7.8 square miles of land plus 0.0 of water. It borders 9 ZIP codes: 90639, 90604, 90621, 92833, 90605, 90670, 90620, 90703, 90631.
The map draws ZIP code areas only. For the streets inside 90638, 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 90638 compare with the rest of La Mirada?
| Measure | 90638 | In La Mirada | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 45,933 | 1st of 2 | 70th of 301 | 286th of 1,802 |
| Median household income | $110k | 1st of 1 | 82nd of 265 | 455th of 1,189 |
| Median home value | $827k | 1st of 1 | 149th of 273 | 529th of 1,317 |
Its median household income is higher than in 86% of U.S. residential ZIP codes, and it is denser than 95% 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 90638?
The 2020 Census counted 46,967 people in 90638; the ACS, which samples households over 2020-2024, estimates 45,933. Between the 2010 and 2020 censuses its population fell 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 45,933
- 2020 Census count
- 46,967−4.2% since 2010 (49,012)
- Households
- 15,421
- Median age
- 44.2
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 90638?
Of the 45,933 people the ACS estimates in 90638, 19.7% are under 18 and 21.8% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (47.0%), then White (not Hispanic) (25.2%).
- Under 1819.7%
- 18 to 6458.4%
- 65 and older21.8%
- Hispanic or Latino47.0%
- White, not Hispanic25.2%
- Asian, not Hispanic21.2%
- Other or two or more3.7%
- Black, not Hispanic3.0%
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 90638 earn?
Median household income is $109,649 (ACS 2020-2024), the 82nd highest of the 265 ranked ZIP codes in Los Angeles County. It is not measurably different from 2015-2019 ($117,451 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $109,649
- Income per person
- $44,752
- Below the poverty line
- 6.2%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 40.9%
- Adjusted gross income per tax return, 2022
- $85,47422,440 returns; wages 76% 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 90638?
FHFA's house price index for 90638, built from repeat sales and appraisals of the same homes, rose 89% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +3.0% in 2025.
- Median home value (owners' estimate)
- $827,300
- Median gross rent
- $2,217
- Homes owned by their occupants
- 76.2%
- Housing units
- 15,818
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 90638?
1,099 business establishments had a location in this ZIP code in 2023, 99 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade143
- Health care and social assistance123
- Retail trade121
- Accommodation and food services119
- Other services (except public administration)91
- Professional, scientific, and technical services89
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 90638?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 90639 | La Mirada | 1,671 | – | 0.4 mi |
| 90604 | Whittier | 39,276 | $105k | 1.8 mi |
| 90621 | Buena Park | 35,984 | $98k | 2.1 mi |
| 92833 | Fullerton | 51,842 | $114k | 3.1 mi |
| 90605 | Whittier | 39,387 | $100k | 3.6 mi |
| 90670 | Santa Fe Springs | 17,851 | $89k | 3.8 mi |
| 90620 | Buena Park | 46,608 | $126k | 3.9 mi |
| 90703 | Cerritos | 48,108 | $135k | 4.2 mi |
| 90631 | La Habra | 68,309 | $104k | 4.3 mi |
| 90603 | Whittier | 21,118 | $137k | 3.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.