Residential delivery area · California
ZIP Code 91024: Sierra Madre, CA
ZIP code 91024 is in Sierra Madre, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $143,547 (Census Bureau, ACS 2020-2024). By Census place, 84% of its land lies in Sierra Madre, and 1% in smaller places; 14% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sierra Madre · its only residential ZIP
- County
- Los Angeles County
- Census places
- Sierra Madre
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-28 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 3.5 sq mi · 3,130 people per sq mi
- PO Box ZIPs
- 91025 also use the name Sierra Madre
Where is ZIP code 91024?
91024 centers on 34.175°, -118.046° and covers 3.5 square miles of land plus 0.0 of water. It borders 2 ZIP codes: 91107, 91006.
The map draws ZIP code areas only. For the streets inside 91024, 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 91024 compare with the rest of Los Angeles County?
| Measure | 91024 | In Los Angeles County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 10,940 | 258th of 301 | 987th of 1,802 |
| Median household income | $144k | 26th of 265 | 188th of 1,189 |
| Median home value | $1.23M | 54th of 273 | 213th of 1,317 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 89% 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 91024?
The 2020 Census counted 11,268 people in 91024; the ACS, which samples households over 2020-2024, estimates 10,940. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 10,940
- 2020 Census count
- 11,268
- Households
- 4,620
- Median age
- 44.8
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 91024?
Of the 10,940 people the ACS estimates in 91024, 18.8% are under 18 and 20.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (51.6%), then Hispanic or Latino (17.9%).
- Under 1818.8%
- 18 to 6460.3%
- 65 and older20.9%
- White, not Hispanic51.6%
- Hispanic or Latino17.9%
- Asian, not Hispanic17.1%
- Other or two or more6.8%
- Black, not Hispanic6.6%
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 91024 earn?
Median household income is $143,547 (ACS 2020-2024), the 26th highest of the 265 ranked ZIP codes in Los Angeles County.
- Median household income
- $143,547
- Income per person
- $85,992
- Below the poverty line
- 4.6%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 64.0%
- Adjusted gross income per tax return, 2022
- $164,4075,490 returns; wages 61% 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 91024?
FHFA's house price index for 91024, built from repeat sales and appraisals of the same homes, rose 64% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +12.8% in 2025.
- Median home value (owners' estimate)
- $1,226,800
- Median gross rent
- $2,198
- Homes owned by their occupants
- 55.8%
- Housing units
- 4,977
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 91024?
352 business establishments had a location in this ZIP code in 2023, 57 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance63
- Professional, scientific, and technical services62
- Other services (except public administration)39
- Real estate and rental and leasing29
- Accommodation and food services28
- Construction24
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 91024?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91107 | Pasadena | 32,316 | $126k | 2.6 mi |
| 91006 | Arcadia | 31,582 | $124k | 3.0 mi |
| 91016 | Monrovia | 41,140 | $97k | 3.0 mi (near) |
| 91007 | Arcadia | 33,029 | $101k | 3.2 mi (near) |
| 91104 | Pasadena | 35,937 | $106k | 4.5 mi (near) |
| 91008 | Duarte | 743 | $164k | 4.7 mi (near) |
| 91775 | San Gabriel | 23,672 | $119k | 4.8 mi (near) |
| 91780 | Temple City | 35,588 | $104k | 5.1 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 Sierra Madre?
1 more ZIP code carries the postal name Sierra Madre, 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 |
|---|---|
| 91025 | 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.