Portland is 15% more expensive than Vancouver.
When comparing Portland, OR and Vancouver, WA, the overall cost of living indices are 138 and 123 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $10,636/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $440,300 in Vancouver.
Washington has no state income tax, giving Vancouver residents a significant tax advantage over Oregon's 9.9% rate.
Portland vs Vancouver — common questions