Portland is 16% more expensive than Gresham.
When comparing Portland, OR and Gresham, OR, the overall cost of living indices are 138 and 119 respectively (national median = 100). Rent is $88/month cheaper in Gresham, saving renters about $1,056/year.
Median household income is $15,184/year higher in Portland. Home values also differ significantly — the median in Portland is $557,600 compared to $440,000 in Gresham.
Both cities share the same state tax structure since they are in Oregon.
Portland vs Gresham — common questions
Other cost of living comparisons for Portland and Gresham