There are 103 Banks & Credit Unions in Penobscot County, Maine, serving a population of 152,284 people in an area of 3,397 square miles. There is 1 Bank & Credit Union per 1,478 people, and 1 Bank & Credit Union per 32 square miles.
In Maine, Penobscot County is ranked 8th of 16 counties in Banks & Credit Unions per capita, and 8th of 16 counties in Banks & Credit Unions per square mile.