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Ariel View of Celebration Park

About Ontario

City Hall is open to the public Mondays through Fridays, excluding holidays.

MondayThursday:
7:30 AM–5:30 PM

Friday:
8:00 AM–5:00 PM

Mission Statement

Founded as a Model Colony, based on innovation, planned development, community service and family values, the City of Ontario has become the economic heart of the region. The City Council is committed to maintaining Ontario's leadership role in the Inland Empire by continuing to invest in the growth and evolution of the area's economy while providing a balance of jobs, housing, and educational and recreational opportunities for our residents in a safe, well-maintained community.

Adopted January 20, 1998

Quick City Facts

1891
Ontario was incorporated on December 10, 1891
181,224
Population
925
Ontario's elevation is 925 feet
50
The City of Ontario covers 50 square miles