THE PIKE COUNTY LAND BRIEF
Land in the
River Hills setting.
Pike County has 831.4 square miles of land in Illinois. 3 mapped landscape regions meet across Pike County: River Hills, Upper Mississippi Alluvial Plain, Western Dissected Illinoian Till Plain.
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 ↗ · Regional mapping across the county footprint
Where the landscape changes
Pike County intersects 3 mapped regional units. The largest mapped shares are:
- River Hills60.4%
- Upper Mississippi Alluvial Plain25.9%
- Western Dissected Illinoian Till Plain13.7%
Finding your parcel within Pike County
The atlas lists 42 cities, towns, townships, and Census communities associated with Pike County, including Atlas, Pleasant Vale, Barry. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Pike County by land and water
The Census records 17.5 square miles of water within Pike County, or 2.1% of its total area. That share is close to Pike County’s 2.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Pike County has 22 times the land area of nearby Pittsfield township (37.8 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Adams County, Brown County, Calhoun County, Greene County, Morgan County, Scott County within Illinois. A tract near one of these lines should be matched to the county identifier on its own records.

