Tucson is 50% cheaper than Ontario.
When comparing Tucson, AZ and Ontario, CA, the overall cost of living indices are 76 and 152 respectively (national median = 100). Rent is $837/month cheaper in Tucson, saving renters about $10,044/year.
Median household income is $28,260/year higher in Ontario. Home values also differ significantly — the median in Tucson is $242,200 compared to $568,000 in Ontario.
Arizona has a lower income tax rate, making Tucson slightly more tax-friendly.
Tucson vs Ontario — common questions
Other cost of living comparisons for Tucson and Ontario