THE COCHISE COUNTY LAND BRIEF
Land in the
Apachian Valleys and Low Hills setting.
Cochise County has 6,209.9 square miles of land in Arizona. 6 mapped landscape regions meet across Cochise County: Apachian Valleys and Low Hills, Madrean Basin Grasslands, Lower Madrean Woodlands, 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
Cochise County intersects 6 mapped regional units. The largest mapped shares are:
- Apachian Valleys and Low Hills54.9%
- Madrean Basin Grasslands21.2%
- Lower Madrean Woodlands18.5%
- Madrean Pine-Oak and Mixed Conifer Forests3.4%
- Willcox Playa1%
Sonoran Basin and Range in Cochise 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 Cochise County
The atlas lists 22 cities, towns, townships, and Census communities associated with Cochise County, including Sierra Vista, Sierra Vista Southeast, Whetstone. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Cochise County by land and water
The Census records 6.81 square miles of water within Cochise County, or 0.1% of its total area. That share is close to Cochise County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Cochise County has 6,969.6 times the land area of nearby Sunsites CDP (0.89 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Graham County, Greenlee County, Pima County, Santa Cruz County within Arizona. A tract near one of these lines should be matched to the county identifier on its own records.

