Ontario, CA ZIP Codes

Total ZIPs

166,856

Total Population

ZIP Codes in Ontario, CA

ZIP Code	Population	Density	Timezone
91761	56,913	754	America/Los_Angeles
91762	55,857	1,580	America/Los_Angeles
91764	54,086	2,601	America/Los_Angeles

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.