THE JASPER COUNTY LAND BRIEF
Land in the
Southern Illinoian Till Plain setting.
Jasper County has 494.6 square miles of land in Illinois. 2 mapped landscape regions meet across Jasper County: Southern Illinoian Till Plain, Wabash-Ohio Bottomlands.
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
Jasper County intersects 2 mapped regional units. The largest mapped shares are:
- Southern Illinoian Till Plain94.6%
- Wabash-Ohio Bottomlands5.4%
Finding your parcel within Jasper County
The atlas lists 19 cities, towns, townships, and Census communities associated with Jasper County, including Wade, Crooked Creek, North Muddy. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Jasper County by land and water
The Census records 3.6 square miles of water within Jasper County, or 0.7% of its total area. That share is close to Jasper County’s 0.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Jasper County has 234.6 times the land area of nearby Newton city (2.11 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Clark County, Clay County, Crawford County, Cumberland County, Effingham County, Richland County within Illinois. A tract near one of these lines should be matched to the county identifier on its own records.

