Ontario is 100% more expensive than Norman.
When comparing Ontario, CA and Norman, OK, the overall cost of living indices are 152 and 76 respectively (national median = 100). Rent is $852/month cheaper in Norman, saving renters about $10,224/year.
Median household income is $17,746/year higher in Ontario. Home values also differ significantly — the median in Ontario is $568,000 compared to $239,300 in Norman.
Oklahoma has a lower income tax rate, making Norman slightly more tax-friendly.
Ontario vs Norman — common questions
Other cost of living comparisons for Ontario and Norman