THE PORTSMOUTH LAND BRIEF
Land in the
Steeply Rolling Loess Prairies setting.
Portsmouth city has 0.31 square miles of land in Shelby County. Its Census reference point is in Steeply Rolling Loess Prairies, within Western Corn Belt Plains.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Classification at the Census reference point
Portsmouth and Shelby County
Portsmouth is associated with Shelby County 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 0 square miles of water within Portsmouth, or 0% of its total area. That share is close to Shelby County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Portsmouth city has 42.8% of the land area of nearby Tennant city (0.72 square miles). These areas describe boundaries, not comparable property prices.

