Residential delivery area · California
ZIP Code 91740: Glendora, CA
ZIP code 91740 is in Glendora, California, entirely in Los Angeles County (Census 2020 ZIP-county file). About 26,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Glendora's 2 residential ZIP codes. Median household income is $99,083 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Glendora · 2 residential ZIPs
- County
- Los Angeles County
- Census places
- Glendora
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House district
- CA-31 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 5.0 sq mi · 5,224 people per sq mi
Where is ZIP code 91740?
91740 centers on 34.119°, -117.855° and covers 5.0 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 91724, 91773, 91722, 91741, 91702.
The map draws ZIP code areas only. For the streets inside 91740, 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 91740 compare with the rest of Glendora?
| Measure | 91740 | In Glendora | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 26,168 | 1st of 2 | 189th of 301 | 700th of 1,802 |
| Median household income | $99k | 2nd of 2 | 123rd of 265 | 594th of 1,189 |
| Median home value | $787k | 2nd of 2 | 167th of 273 | 591st of 1,317 |
Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 94% 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 91740?
The 2020 Census counted 26,644 people in 91740; the ACS, which samples households over 2020-2024, estimates 26,168. Between the 2010 and 2020 censuses its population grew 5.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 26,168
- 2020 Census count
- 26,644+5.1% since 2010 (25,356)
- Households
- 8,162
- Median age
- 38.0
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 91740?
Of the 26,168 people the ACS estimates in 91740, 22.3% are under 18 and 16.3% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (49.4%), then White (not Hispanic) (32.3%).
- Under 1822.3%
- 18 to 6461.4%
- 65 and older16.3%
- Hispanic or Latino49.4%
- White, not Hispanic32.3%
- Asian, not Hispanic9.6%
- Other or two or more5.2%
- Black, not Hispanic3.5%
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 91740 earn?
Median household income is $99,083 (ACS 2020-2024), the 123rd highest of the 265 ranked ZIP codes in Los Angeles County. It is not measurably different from 2015-2019 ($105,018 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $99,083±$13,358
- Income per person
- $39,724
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 5.3%
- Adults 25+ with a bachelor's degree
- 30.6%
- Adjusted gross income per tax return, 2022
- $79,32912,660 returns; wages 75% 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 91740?
FHFA's house price index for 91740, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +2.6% in 2025.
- Median home value (owners' estimate)
- $787,400
- Median gross rent
- $2,251
- Homes owned by their occupants
- 64.0%
- Housing units
- 8,412
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 91740?
801 business establishments had a location in this ZIP code in 2023, 87 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance135
- Accommodation and food services104
- Retail trade100
- Other services (except public administration)98
- Professional, scientific, and technical services74
- Construction70
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 91740?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91724 | Covina | 28,352 | $103k | 2.8 mi |
| 91773 | San Dimas | 33,598 | $105k | 2.8 mi |
| 91722 | Covina | 35,099 | $102k | 3.3 mi |
| 91741 | Glendora | 26,071 | $127k | 3.3 mi |
| 91702 | Azusa | 60,903 | $93k | 11.6 mi |
| 91723 | Covina | 17,733 | $94k | 3.0 mi (near) |
| 91791 | West Covina | 33,028 | $102k | 4.5 mi (near) |
| 91768 | Pomona | 34,200 | $76k | 5.3 mi (near) |
| 91750 | La Verne | 32,692 | $104k | 5.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.