Cumberland County sales tax rate, Maine
Quick answer
Combined sales tax in Cumberland County runs 5.5% across the cities we cover, on top of Maine's 5.5% state rate. The county share is a separate line from any city or special-district increment, which is why two addresses in the same county can pay different totals.
Cities in Cumberland County
County share shown separately from the city and district layers.
| City | State | County | City + districts | Combined |
|---|---|---|---|---|
| Portland | 5.5% | 0% | 0% | 5.5% |
Source: Maine Revenue Services · rates as published for 2026