91740 is zip code located in Glendora, California. The population is 26,115, making 91740 the largest zipcode in Glendora.
There are 8 public schools in 91740 with an average Homefacts rating of B. The total crime rate for Glendora is moderate , and there are 10 registered sex offenders residing in the zip code 91740. Unemployment in 91740 is moderate.
Zip codes within Glendora include 91741.