Ontario is 19% cheaper than Concord.
When comparing Ontario, CA and Concord, CA, the overall cost of living indices are 152 and 187 respectively (national median = 100). Rent is $310/month cheaper in Ontario, saving renters about $3,720/year.
Median household income is $26,389/year higher in Concord. Home values also differ significantly — the median in Ontario is $568,000 compared to $755,900 in Concord.
Both cities share the same state tax structure since they are in California.
Ontario vs Concord — common questions
Other cost of living comparisons for Ontario and Concord