Portland is 35% more expensive than Irving.
When comparing Portland, OR and Irving, TX, the overall cost of living indices are 138 and 102 respectively (national median = 100). Rent is $79/month cheaper in Irving, saving renters about $948/year.
Median household income is $9,151/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $287,300 in Irving.
Texas has no state income tax, giving Irving residents a significant tax advantage over Oregon's 9.9% rate.
Portland vs Irving — common questions
Other cost of living comparisons for Portland and Irving