THE ROCK ISLAND ARSENAL LAND BRIEF
Land in the
Upper Mississippi Alluvial Plain setting.
Rock Island Arsenal CDP has 1.57 square miles of land in Rock Island County. Its Census reference point is in Upper Mississippi Alluvial 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
Rock Island Arsenal and Rock Island County
Rock Island Arsenal is associated with Rock Island 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.
Rock Island Arsenal by land and water
The Census records 1.14 square miles of water within Rock Island Arsenal, or 42.1% of its total area. It is 36.8 percentage points higher than the 5.3% recorded for Rock Island County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Rock Island Arsenal CDP has 32.9% of the land area of nearby Rock Island township (4.78 square miles). These areas describe boundaries, not comparable property prices.