THE PENOBSCOT COUNTY LAND BRIEF
Land in the
Eastern Maine-Southern New Brunswick Plains setting.
Penobscot County has 3,397.2 square miles of land in Maine. 6 mapped landscape regions meet across Penobscot County: Eastern Maine-Southern New Brunswick Plains, Penobscot Lowlands, Central Foothills, among others.
Forested plains and hills contain numerous glacial lakes. Spruce-fir lowlands and hardwood-covered hills create a northern landscape that is generally gentler than the highlands to the west.
Regional context: Acadian Plains and Hills ↗ · Regional mapping across the county footprint
Where the landscape changes
Penobscot County intersects 6 mapped regional units. The largest mapped shares are:
- Eastern Maine-Southern New Brunswick Plains25.6%
- Penobscot Lowlands23.8%
- Central Foothills15.7%
- Central Maine Embayment15.6%
- Aroostook Hills15.3%
Northeastern Highlands in Penobscot County
Forested hills and mountains span northern New England, the Adirondacks and higher Catskills. Glacial lakes and steep streams accompany a transition between northern hardwood and spruce-fir forests.
Read the regional source ↗Finding your parcel within Penobscot County
The atlas lists 72 cities, towns, townships, and Census communities associated with Penobscot County, including Lincoln, Lakeville, Burlington. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Penobscot County by land and water
The Census records 159.9 square miles of water within Penobscot County, or 4.5% of its total area. That share is close to Penobscot County’s 4.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Penobscot County has 84.9 times the land area of nearby Seboeis plantation (40 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Aroostook County, Hancock County, Piscataquis County, Somerset County, Waldo County, Washington County within Maine. A tract near one of these lines should be matched to the county identifier on its own records.

