Portland is 15% more expensive than Tempe.
When comparing Portland, OR and Tempe, AZ, the overall cost of living indices are 138 and 120 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $11,149/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $421,900 in Tempe.
Arizona has a lower income tax rate, making Tempe slightly more tax-friendly.
Portland vs Tempe — common questions
Other cost of living comparisons for Portland and Tempe