Portland and Westminster have a similar cost of living.
When comparing Portland, OR and Westminster, CO, the overall cost of living indices are 138 and 139 respectively (national median = 100). Rent is $220/month cheaper in Portland, saving renters about $2,640/year.
Median household income is $7,353/year higher in Westminster. Home values also differ significantly — the median in Portland is $557,600 compared to $497,400 in Westminster.
Colorado has a lower income tax rate, making Westminster slightly more tax-friendly.
Portland vs Westminster — common questions
Other cost of living comparisons for Portland and Westminster