THE MARYLAND HEIGHTS LAND BRIEF
Land in the
River Hills setting.
Maryland Heights city has 21.9 square miles of land in St. Louis County. Its Census reference point is in River Hills, 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
Maryland Heights and St. Louis County
Maryland Heights is associated with St. Louis 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.
Maryland Heights by land and water
The Census records 1.73 square miles of water within Maryland Heights, or 7.3% of its total area. It is 4.4 percentage points higher than the 2.9% recorded for St. Louis County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Maryland Heights city has 27.4 times the land area of nearby Champ village (0.8 square miles). These areas describe boundaries, not comparable property prices.

