About Ontario

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.

Since World War II, Ontario has become a much more diversified community. The mean temperature of 61 degrees and the average rainfall of 18.4″ continues to attract more residents. The city has expanded from the 0.38 square mile area incorporated back in 1891, up to almost 50 square miles. The economy now reflects an industrial and manufacturing base. Ten thousand acres are zoned for industrial use. With three major railroads, the San Bernardino, Pomona, and Devore Freeways (10, 60, and 15), and the Ontario International Airport. Ontario is well provided with major transportation resources. Its proximity to Los Angeles ensures that Ontario will continue to grow in the years ahead.


Sorry we are experiencing system issues. Please try again.