THE COLUMBIA LAND BRIEF
Land in the
Karstic Northern Ozarkian River Bluffs setting.
Columbia city has 10.6 square miles of land in Monroe County, St. Clair County. Its Census reference point is in Karstic Northern Ozarkian River Bluffs, 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.
Columbia intersects 2 county geographies: Monroe County, St. Clair County. A Columbia mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Columbia by land and water
The Census records 0.06 square miles of water within Columbia, or 0.5% of its total area. It is 3.6 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, Columbia city has 1.6 times the land area of nearby Dupo village (6.4 square miles). These areas describe boundaries, not comparable property prices.

