Maine's 2nd congressional district is a congressional district in the U.S. state of Maine. Covering 27,326 square miles (70,770 km2), it comprises nearly 80% of the state's total land area. The district comprises most of the land area north of the Portland and Augusta metropolitan areas. It includes the cities of Lewiston, Bangor, Auburn, and Presque Isle. The district is represented by Democrat Jared Golden, who took office in 2019.

Bangor is a city in and the county seat of Penobscot County, Maine, United States. The city proper has a population of 31,753, making it the state's third-most populous city, behind Portland (68,408) and Lewiston (37,121). Bangor is known as the “Queen City.”