Portland is 22% more expensive than Anchorage.
When comparing Portland, OR and Anchorage, AK, the overall cost of living indices are 138 and 113 respectively (national median = 100). Rent is $143/month cheaper in Anchorage, saving renters about $1,716/year.
Median household income is $9,360/year higher in Anchorage. Home values also differ significantly — the median in Portland is $557,600 compared to $375,900 in Anchorage.
Alaska has no state income tax, giving Anchorage residents a significant tax advantage over Oregon's 9.9% rate.
Portland vs Anchorage — common questions
Other cost of living comparisons for Portland and Anchorage