Cumberland County, Maine, USA
County or equivalent
Location overview
Cumberland County is a county in southern Maine that includes Portland and communities along Casco Bay and around Sebago Lake. Portland is its county seat and largest city. Established in 1760, it contains 28 municipalities, from coastal communities to inland towns. Sebago Lake covers about 45 square miles and is the state’s second-largest lake. County government is led by five elected commissioners, with daily operations overseen by an appointed county manager.