Portland is the largest city in the U.S. state of Maine and is the county seat of Cumberland County. The 2010 city population was 66,194, growing 3 percent since the census of 2000. Portland is the principal city of the Portland-South Portland-Biddeford metropolitan area, which includes Cumberland, York, and Sagadahoc counties.Tourists visit Portland's historic Old Port district along Portland Harbor, at the mouth of the Fore River and part of Casco Bay, and the Arts District, which runs along Congress Street in the center of the city. Portland Head Light is located in nearby Cape Elizabeth and marks the entrance to Portland Harbor.

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