Portland is 18% cheaper than Downey.
When comparing Portland, OR and Downey, CA, the overall cost of living indices are 138 and 169 respectively (national median = 100). Rent is $296/month cheaper in Portland, saving renters about $3,552/year.
Median household income is $1,392/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $728,500 in Downey.
Oregon has a lower income tax rate, making Portland slightly more tax-friendly.
Portland vs Downey — common questions
Other cost of living comparisons for Portland and Downey