Welcome Picturesque Cumberland County is Maine's most populous county with a population of 303,096. The county's seat is the City of Portland. Geographically, the county extends from Casco Bay to the Lakes Region. Cumberland County has the second largest body of water in the state, Sebago Lake, which provides numerous recreational opportunities. The County is the economic and industrial center of the state, with a strong corporate presence of major domestic and international companies.
The county is comprised of 3 cities: Portland, South Portland, and Westbrook and 25 towns: Baldwin, Bridgton, Brunswick, Cape Elizabeth, Casco, Chebeague Island, Cumberland, Falmouth, Freeport, Frye Island, Gorham, Gray, Harpswell, Harrison, Long Island, Naples, New Gloucester, North Yarmouth, Pownal, Raymond, Scarborough, Sebago, Standish, Windham, and Yarmouth.
