Glendora
- County:
- Los Angeles County
- County Seat:
- No
- Area (mi²):
- 19.51
- State:
- California
Glendora is a city located in Los Angeles County, California. Glendora has a 2026 population of 50,101. Glendora is currently declining at a rate of -0.31% annually and its population has decreased by -4.4% since the most recent census, which recorded a population of 52,409 in 2020.