91761 is zip code located in Ontario, California. The population is 59,844, making 91761 the largest zipcode in Ontario and the 9th largest in San Bernardino County.
There are 11 public schools in 91761 with an average Homefacts rating of B-. The total crime rate for Ontario is moderate , and there are 1 registered sex offenders residing in the zip code 91761. Unemployment in 91761 is moderate.