THE CARBONDALE LAND BRIEF
Land in the
Southern Illinoian Till Plain setting.
Carbondale city has 17.5 square miles of land in Jackson County, Williamson County. Its Census reference point is in Southern Illinoian Till 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
One place name. 2 county geographies.
Carbondale intersects 2 county geographies: Jackson County, Williamson County. A Carbondale mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Carbondale by land and water
The Census records 0.44 square miles of water within Carbondale, or 2.4% of its total area. It is 1.7 percentage points lower than the 4.1% recorded for Illinois. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Carbondale city has 46.7% of the land area of nearby Carbondale township (37.4 square miles). These areas describe boundaries, not comparable property prices.

