McKinney is 9% cheaper than Ontario.
When comparing McKinney, TX and Ontario, CA, the overall cost of living indices are 138 and 152 respectively (national median = 100). Rent is $75/month cheaper in McKinney, saving renters about $900/year.
Median household income is $37,467/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $568,000 in Ontario.
Texas has no state income tax, giving McKinney residents a significant tax advantage over California's 13.3% rate.
McKinney vs Ontario — common questions
Other cost of living comparisons for McKinney and Ontario