91784 is zip code located in Upland, California. The population is 26,457, making 91784 the 2nd largest zipcode in Upland.
There are 3 public schools in 91784 with an average Homefacts rating of A. The total crime rate for Upland is moderate , and there are 1 registered sex offenders residing in the zip code 91784. Unemployment in 91784 is moderate.