There are 21 US Post Offices in Androscoggin County serving a total of 163,491 residents equating to 7,785 residents per post office. It's estimated that approximately 260,950 packages are handled across the 21 county post offices annually. Androscoggin County is a county located in the U.S. state of Maine. As of the 2010 U.S. census, the county's population was 107,702. Its county seat is Auburn. Androscoggin County comprises the Lewiston-Auburn, Maine Metropolitan Statistical Area and partially included within the Lewiston-Auburn, Maine, Metropolitan New England City and Town Area. It is also a part of the Portland-Lewiston-South Portland, Maine Combined Statistical Area. Bates College is located in the Androscoggin County city of Lewiston."