Portland and McKinney have a similar cost of living.
When comparing Portland, OR and McKinney, TX, the overall cost of living indices are 138 and 138 respectively (national median = 100). Rent is $245/month cheaper in Portland, saving renters about $2,940/year.
Median household income is $31,481/year higher in McKinney. Home values also differ significantly — the median in Portland is $557,600 compared to $439,500 in McKinney.
Texas has no state income tax, giving McKinney residents a significant tax advantage over Oregon's 9.9% rate.
Portland vs McKinney — common questions
Other cost of living comparisons for Portland and McKinney