THE PORTSMOUTH LAND BRIEF
Land in the
Chesapeake-Pamlico Lowlands and Tidal Marshes setting.
Portsmouth city has 33.3 square miles of land in Portsmouth city. Its Census reference point is in Chesapeake-Pamlico Lowlands and Tidal Marshes, within Middle Atlantic Coastal Plain.
Low coastal plains contain terraces, estuaries, marshes and barrier islands. Unconsolidated sediments underlie this varied coastal setting, with forest patterns changing near streams and low-lying areas.
Regional context: Middle Atlantic Coastal Plain ↗ · Classification at the Census reference point
Portsmouth and Portsmouth city
Portsmouth is associated with Portsmouth city in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Portsmouth by land and water
The Census records 13.4 square miles of water within Portsmouth, or 28.7% of its total area. That share is close to Portsmouth city’s 28.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Portsmouth city has 62.5% of the land area of nearby Norfolk city (53.3 square miles). These areas describe boundaries, not comparable property prices.

