THE CUMBERLAND COUNTY LAND BRIEF
Land in the
Southern Illinoian Till Plain setting.
Cumberland County has 345.9 square miles of land in Illinois. 2 mapped landscape regions meet across Cumberland County: Southern Illinoian Till Plain, Illinois/Indiana Prairies.
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
Cumberland County intersects 2 mapped regional units. The largest mapped shares are:
- Southern Illinoian Till Plain92.9%
- Illinois/Indiana Prairies7.1%
Central Corn Belt Plains in Cumberland County
Glaciated plains historically supported tallgrass prairie mixed with oak and hickory woodland. Dark prairie soils and broad farming landscapes distinguish much of the Central Corn Belt.
Read the regional source ↗Finding your parcel within Cumberland County
The atlas lists 16 cities, towns, townships, and Census communities associated with Cumberland County, including Spring Point, Neoga, Union. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Cumberland County by land and water
The Census records 0.98 square miles of water within Cumberland County, or 0.3% of its total area. That share is close to Cumberland County’s 0.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Cumberland County has 389.6 times the land area of nearby Toledo village (0.89 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Clark County, Coles County, Effingham County, Jasper County, Shelby County within Illinois. A tract near one of these lines should be matched to the county identifier on its own records.

