Ontario is 17% cheaper than Ventura.
When comparing Ontario, CA and Ventura, CA, the overall cost of living indices are 152 and 183 respectively (national median = 100). Rent is $185/month cheaper in Ontario, saving renters about $2,220/year.
Median household income is $17,601/year higher in Ventura. Home values also differ significantly — the median in Ontario is $568,000 compared to $778,700 in Ventura.
Both cities share the same state tax structure since they are in California.
Ontario vs Ventura — common questions
Other cost of living comparisons for Ontario and Ventura