Portland is 4% cheaper than Riverside.
When comparing Portland, OR and Riverside, CA, the overall cost of living indices are 138 and 144 respectively (national median = 100). Rent is $216/month cheaper in Portland, saving renters about $2,592/year.
Median household income is $217/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $542,100 in Riverside.
Oregon has a lower income tax rate, making Portland slightly more tax-friendly.
Portland vs Riverside — common questions
Other cost of living comparisons for Portland and Riverside