THE GRISHAM LAND BRIEF
Land in the
Southern Illinoian Till Plain setting.
Grisham township has 24.4 square miles of land in Montgomery 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
Grisham and Montgomery County
Grisham is associated with Montgomery 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.
Grisham by land and water
The Census records 0.03 square miles of water within Grisham, or 0.1% of its total area. It is 0.7 percentage points lower than the 0.8% recorded for Montgomery County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Grisham township has 66.7 times the land area of nearby Panama village (0.37 square miles). These areas describe boundaries, not comparable property prices.

