THE SWAN LAND BRIEF
Land in the
Western Dissected Illinoian Till Plain setting.
Swan township has 35.3 square miles of land in Warren County. Its Census reference point is in Western Dissected 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
Swan and Warren County
Swan is associated with Warren 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.
Swan by land and water
The Census records 0.01 square miles of water within Swan, or 0% of its total area. That share is close to Warren County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Swan township has 47.8 times the land area of nearby Roseville village (0.74 square miles). These areas describe boundaries, not comparable property prices.

