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Ontario, California

Ontario California
Official nameCity of Ontario
Settlement typeCity
CountryUnited States
CountySan Bernardino
City CouncilMayor Paul S. Leon
Jim Bowman
Alan D. Wapner
Sheila Mautz
Debra Dorst-Porada
City TreasurerJames R. Milhiser
City ClerkMary E. Wirtes, MMC
City ManagerChris Hughes
Total Area50.006 sq mi (129.5 km2)
Land Area49.941 sq mi (129.3 km2)
Water Area0.065 sq mi (0.2 km2)
Elevation925 ft (281.9 m)
Total Population163924 (4th in San Bernardino County
29th in California
144th in the United States) (2010)
Density (pop.)auto/km2 (0/sq mi)
Other information
Time zonePST (UTC-8)
- Summer (DST)PDT (UTC-7)
ZIP codes91758, 91761-91762, 91764
Area code909
FIPS code06-53896
GNIS feature ID1652764

     Home | City | Ontario California

Ontario is a city located in San Bernardino County, California, United States. As of the 2010 Census, the city had a population of 163,924, down from 170,373 at the 2000 census, making it the county's fourth most populous city after San Bernardino, Fontana, and Rancho Cucamonga.

The city is home to the LA/Ontario International Airport which is the 15th busiest cargo airport in the United States. Ontario handles the mass of freight traffic between the ports of Los Angeles and Long Beach and the rest of the country. It is also the home of Ontario Mills and former home of the Ontario Motor Speedway.

It takes its name from the Ontario Model Colony development established in 1882 by the Canadian engineer George Chaffey and his brothers William Chaffey and Charles Chaffey. They named the settlement after their home province of Ontario, Canada.

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