Boston is 38% more expensive than Portland.
When comparing Boston, MA and Portland, OR, the overall cost of living indices are 176 and 138 respectively (national median = 100). Rent is $497/month cheaper in Portland, saving renters about $5,964/year.
Median household income is $5,963/year higher in Boston. Home values also differ significantly — the median in Boston is $710,400 compared to $557,600 in Portland.
Massachusetts has a lower income tax rate, making Boston slightly more tax-friendly.
Boston vs Portland — common questions