| | York County | ME | 23031 | | Portland-South Portland,
ME 38860 | Portland-Lewiston-South
Portland, ME 438 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=YorkCounty+ME |
| | Sagadahoc County | ME | 23023 | | Portland-South Portland,
ME 38860 | Portland-Lewiston-South
Portland, ME 438 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=SagadahocCounty+ME |
| | Cumberland County | ME | 23005 | | Portland-South Portland,
ME 38860 | Portland-Lewiston-South
Portland, ME 438 | Central | metro county (urban) | recreation | https://maps.google.com/?q=CumberlandCounty+ME |