THE ORO VALLEY LAND BRIEF
Land in the
Arizona Upland/Eastern Sonoran Basins setting.
Oro Valley town has 35.1 square miles of land in Pima County. Its Census reference point is in Arizona Upland/Eastern Sonoran Basins, within Sonoran Basin and Range.
Hot desert basins are separated by low mountain ranges. Palo verde, cacti and other drought-adapted plants distinguish the Sonoran setting from the Mojave region farther north.
Regional context: Sonoran Basin and Range ↗ · Classification at the Census reference point
Oro Valley and Pima County
Oro Valley is associated with Pima 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.
Oro Valley by land and water
The Census records 0.12 square miles of water within Oro Valley, or 0.3% of its total area. It is 0.3 percentage points higher than the 0% recorded for Pima County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Oro Valley town has 1.3 times the land area of nearby Casas Adobes CDP (26.5 square miles). These areas describe boundaries, not comparable property prices.

