Residential delivery area · California
ZIP Code 91010: Duarte, CA
ZIP code 91010 is in Duarte, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Duarte's 2 residential ZIP codes. Median household income is $102,705 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Duarte (57%), Irwindale (20%), Azusa (16%) and South Monrovia Island (5%), and 1% in smaller places; under 1% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Duarte · 2 residential ZIPs
- County
- Los Angeles County
- Census places
- Duarte (57%); Irwindale (20%); Azusa (16%); South Monrovia Island (5%) census-designated place
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-31 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 6.4 sq mi · 4,290 people per sq mi
- PO Box ZIPs
- 91009 also use the name Duarte
Where is ZIP code 91010?
91010 centers on 34.141°, -117.959° and covers 6.4 square miles of land plus 0.0 of water. It borders 4 ZIP codes: 91008, 91016, 91706, 91702.
The map draws ZIP code areas only. For the streets inside 91010, 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 91010 compare with the rest of Duarte?
| Measure | 91010 | In Duarte | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 27,589 | 1st of 2 | 176th of 301 | 658th of 1,802 |
| Median household income | $103k | 1st of 1 | 111th of 265 | 553rd of 1,189 |
| Median home value | $757k | 1st of 1 | 182nd of 273 | 621st of 1,317 |
Its median household income is higher than in 83% of U.S. residential ZIP codes, and it is denser than 92% 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 91010?
The 2020 Census counted 26,730 people in 91010; the ACS, which samples households over 2020-2024, estimates 27,589. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 27,589
- 2020 Census count
- 26,730
- Households
- 8,789
- Median age
- 42.9
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 91010?
Of the 27,589 people the ACS estimates in 91010, 18.9% are under 18 and 20.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (55.2%), then White (not Hispanic) (20.7%).
- Under 1818.9%
- 18 to 6460.9%
- 65 and older20.3%
- Hispanic or Latino55.2%
- White, not Hispanic20.7%
- Asian, not Hispanic15.2%
- Other or two or more4.7%
- Black, not Hispanic4.2%
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 91010 earn?
Median household income is $102,705 (ACS 2020-2024), the 111th highest of the 265 ranked ZIP codes in Los Angeles County.
- Median household income
- $102,705
- Income per person
- $38,603
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 32.0%
- Adjusted gross income per tax return, 2022
- $71,58812,590 returns; wages 77% 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 91010?
FHFA's house price index for 91010, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved +4.7% in 2025.
- Median home value (owners' estimate)
- $756,500
- Median gross rent
- $2,121
- Homes owned by their occupants
- 61.0%
- Housing units
- 9,137
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 91010?
549 business establishments had a location in this ZIP code in 2023, 52 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance75
- Retail trade69
- Wholesale trade61
- Accommodation and food services60
- Other services (except public administration)51
- Professional, scientific, and technical services44
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 91010?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91008 | Duarte | 743 | $164k | 1.0 mi |
| 91016 | Monrovia | 41,140 | $97k | 2.5 mi |
| 91706 | Baldwin Park | 71,082 | $81k | 3.1 mi |
| 91702 | Azusa | 60,903 | $93k | 13.3 mi |
| 91006 | Arcadia | 31,582 | $124k | 3.9 mi (near) |
| 91722 | Covina | 35,099 | $102k | 4.2 mi (near) |
| 91007 | Arcadia | 33,029 | $101k | 5.2 mi (near) |
| 91790 | West Covina | 44,710 | $103k | 5.3 mi (near) |
| 91024 | Sierra Madre | 10,940 | $144k | 5.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.