THE ONEIDA COUNTY LAND BRIEF
Land in the
Semiarid Hills and Low Mountains setting.
Oneida County has 1,199 square miles of land in Idaho. 7 mapped landscape regions meet across Oneida County: Semiarid Hills and Low Mountains, Sagebrush Steppe Valleys, Malad and Cache Valleys, among others.
Lava plains, stony uplands, dry valleys and scattered ranges form the Northern Basin and Range. Sagebrush and grassland give way to juniper and other woodland in higher or rockier settings.
Regional context: Northern Basin and Range ↗ · Regional mapping across the county footprint
Where the landscape changes
Oneida County intersects 7 mapped regional units. The largest mapped shares are:
- Semiarid Hills and Low Mountains48.7%
- Sagebrush Steppe Valleys20.7%
- Malad and Cache Valleys10.1%
- Shadscale-Dominated Saline Basins8.8%
- High Elevation Forests and Shrublands6.6%
Central Basin and Range in Oneida County
North-trending mountain blocks separate dry interior basins. Alluvial fans connect the ranges to valley floors, while vegetation changes from sparse basin shrubs to woodland and forest at higher elevations.
Read the regional source ↗Finding your parcel within Oneida County
The atlas lists 1 cities, towns, townships, and Census communities associated with Oneida County, including Malad City. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Oneida County by land and water
The Census records 1.54 square miles of water within Oneida County, or 0.1% of its total area. That share is close to Oneida County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Oneida County has 709.9 times the land area of nearby Malad City city (1.69 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bannock County, Cassia County, Franklin County, Power County within Idaho. A tract near one of these lines should be matched to the county identifier on its own records.

