City Facts

One of Southern California’s fastest growing cities for more than 25 years, Ontario is poised to be the largest city in San Bernardino County and the second-largest city in the Inland Empire.

1891
Year of Incorporation
50 SQ. MI.
City Size
925 FT.
Elevation

Top employers in Ontario

According to the City's 2014 Comprehensive Annual Financial Report,[16] the top employers in the city are: