Ontario is 39% cheaper than Berkeley.
When comparing Ontario, CA and Berkeley, CA, the overall cost of living indices are 152 and 251 respectively (national median = 100). Rent is $211/month cheaper in Ontario, saving renters about $2,532/year.
Median household income is $25,752/year higher in Berkeley. Home values also differ significantly — the median in Ontario is $568,000 compared to $1,351,100 in Berkeley.
Both cities share the same state tax structure since they are in California.
Ontario vs Berkeley — common questions
Other cost of living comparisons for Ontario and Berkeley