Ontario is a relatively large city located in the state of California. With a population of 179,061 people and 35 associated neighborhoods, Ontario is the 27th largest community in California.

Housing costs in Ontario are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in California.

One downside of living in Ontario is that it can take a long time to commute to work. In Ontario, the average commute to work is 30.66 minutes, which is quite a bit higher than the national average.

The education level of Ontario citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 19.23% of adults 25 and older in Ontario have a college degree.

The per capita income in Ontario in 2022 was $29,332, which is lower middle income relative to California and the nation. This equates to an annual income of $117,328 for a family of four. However, Ontario contains both very wealthy and poor people as well.

Ontario is an extremely ethnically-diverse city. The people who call Ontario home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Ontario, accounting for 70.21% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Ontario residents report their race to be White, followed by Asian. Important ancestries of people in Ontario include German, Irish, English, Italian, and Dutch.

In addition, Ontario has a lot of people living here who were born outside of the US (27.79%).

The most common language spoken in Ontario is Spanish. Other important languages spoken here include English and Chinese.