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Welcome to the official site of Penobscot County, Maine. On this site you will find information about the county commissioners meetings, links to the county departments, and contact information for the county offices.
Penobscot County is a county in the U.S. state of Maine, named for the Penobscot people in Wabanakik. As of the 2020 census, the population was 152,199, making it the third-most-populous county in Maine. Its county seat is Bangor.
Penobscot County. Map of Maine Counties and Baxter Park. is the thirdlargest in population of the sixteen counties, located in east central Maine, bisected by the Penobscot River and, the newer avenue of transportation, Interstate 95.
County Departments. Sheriff's Office. The Penobscot County Sheriff’s Office is located at 85 Hammond Street in Bangor, Maine at the county complex which is the home of the County Commissioners Office and other county functions.
Penobscot, county, east-central Maine, U.S. Located in a highland region, the county contains many lakes, rivers, and ponds, foremost among them being the Penobscot River, the longest in the state; nearly all of the river’s 350-mile (560-km) course is through the county.
In 2022, Penobscot County, ME had a population of 153k people with a median age of 42.4 and a median household income of $59,438. Between 2021 and 2022 the population of Penobscot County, ME grew from 152,211 to 152,640, a 0.282% increase and its median household income grew from $55,125 to $59,438, a 7.82% increase.
Bangor is the county seat of Penobscot County. Since 1931, Bangor has had a council–manager form of government. The nine-member city council is a nonpartisan body, with three city councilors elected to three-year terms each year.
