City ZIP codes · California
Glendora, CA ZIP Codes
2 ZIP codes use the postal name Glendora, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $99,083 in 91740 to $127,440 in 91741, 1.3 times as much (Census Bureau, ACS 2020-2024). Glendora's most populous ZIP code is 91740, with 26,168 people (ACS 2020-2024); 98% of its land is in the city of Glendora.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Glendora's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Glendora's ZIP codes?
The highest median household income is in 91741 ($127,440), the lowest in 91740 ($99,083). Home values run from $787,400 in 91740 to $946,900 in 91741.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Glendora
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
Which counties do Glendora's ZIP codes reach?
Glendora's residential ZIP codes lie in Los Angeles County.
Which first three digits do Glendora's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Glendora starts with 917.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 917 | Industry, CA (SCF 917) | 2 | 64 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.