Mercer is a town located in Somerset County, in the state of Maine (ME), United States. Nestled in the New England division of the North-east region, it covers an area of 26.7 square miles (69.0 km²) and sits at an elevation of 328 ft. With a population of approximately 647 residents, Mercer offers a peaceful, rural atmosphere.
The town's population is composed of about 47.76% males and 52.24% females, and it has a population density of 24.23 people per square mile (9.36/km²). Mercer lies at a latitude of 44.67 and a longitude of -69.89, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (16.8%), followed by English (19.8%), German (7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code N/A.