THE SANTA CRUZ COUNTY LAND BRIEF
Land in the
Lower Madrean Woodlands setting.
Santa Cruz County has 1,236.3 square miles of land in Arizona. 5 mapped landscape regions meet across Santa Cruz County: Lower Madrean Woodlands, Madrean Basin Grasslands, Apachian Valleys and Low Hills, among others.
The Sky Islands are isolated mountain ranges rising above desert and grassland basins. Oak-juniper woodland and higher pine forests create sharp ecological transitions with elevation.
Regional context: Madrean Archipelago ↗ · Regional mapping across the county footprint
Where the landscape changes
Santa Cruz County intersects 5 mapped regional units. The largest mapped shares are:
- Lower Madrean Woodlands44.6%
- Madrean Basin Grasslands30%
- Apachian Valleys and Low Hills23.6%
- Madrean Pine-Oak and Mixed Conifer Forests1.1%
- Arizona Upland/Eastern Sonoran Basins0.7%
Sonoran Basin and Range in Santa Cruz County
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.
Read the regional source ↗Finding your parcel within Santa Cruz County
The atlas lists 10 cities, towns, townships, and Census communities associated with Santa Cruz County, including Rio Rico, Nogales, Tubac. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Santa Cruz County by land and water
The Census records 1.19 square miles of water within Santa Cruz County, or 0.1% of its total area. That share is close to Santa Cruz County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Santa Cruz County has 959.1 times the land area of nearby Patagonia town (1.29 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cochise County, Pima County within Arizona. A tract near one of these lines should be matched to the county identifier on its own records.

