Riverside is 5% cheaper than Ontario.
When comparing Riverside, CA and Ontario, CA, the overall cost of living indices are 144 and 152 respectively (national median = 100). Rent is $104/month cheaper in Riverside, saving renters about $1,248/year.
Median household income is $5,769/year higher in Riverside. Home values also differ significantly — the median in Riverside is $542,100 compared to $568,000 in Ontario.
Both cities share the same state tax structure since they are in California.
Riverside vs Ontario — common questions
Other cost of living comparisons for Riverside and Ontario