Ontario is located in California. Ontario, California has a population of 183,279. Ontario is more family-centric than the surrounding county with 39% households with children. The county percentage for households with children is 36%.
The median household income in Ontario, California is $63,468. The median household income for the surrounding county is $61,660 compared to the national median of $61,963. The median age of people living in Ontario is 33.8 years.
The average high temperature in July is 95 degrees, with an average low temperature in January of 45.3 degrees. The annual precipitation is 14.77.