THE KEITHSBURG LAND BRIEF
Land in the
Upper Mississippi Alluvial Plain setting.
Keithsburg city has 2.56 square miles of land in Mercer County. Its Census reference point is in Upper Mississippi Alluvial Plain, within Interior River Valleys and Hills.
Broad terraced river valleys contrast with wooded slopes and dissected glacial plains. Bottomland settings and upland oak landscapes occur close together across the Interior River Valleys and Hills.
Regional context: Interior River Valleys and Hills ↗ · Classification at the Census reference point
Keithsburg and Mercer County
Keithsburg is associated with Mercer 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.
Keithsburg by land and water
The Census records 0.62 square miles of water within Keithsburg, or 19.5% of its total area. It is 18.2 percentage points higher than the 1.3% recorded for Mercer County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Keithsburg city has 14.2% of the land area of nearby Keithsburg township (18 square miles). These areas describe boundaries, not comparable property prices.

