Ontario is 10% cheaper than Roseville.
When comparing Ontario, CA and Roseville, CA, the overall cost of living indices are 152 and 168 respectively (national median = 100). Rent is $183/month cheaper in Ontario, saving renters about $2,196/year.
Median household income is $34,548/year higher in Roseville. Home values also differ significantly — the median in Ontario is $568,000 compared to $630,600 in Roseville.
Both cities share the same state tax structure since they are in California.
Ontario vs Roseville — common questions
Other cost of living comparisons for Ontario and Roseville