THE KOOTENAI COUNTY LAND BRIEF
Land in the
Coeur d Alene Metasedimentary Zone setting.
Kootenai County has 1,237.8 square miles of land in Idaho. 7 mapped landscape regions meet across Kootenai County: Coeur d Alene Metasedimentary Zone, Northern Idaho Hills and Low Relief Mountains, Spokane Valley Outwash Plains, among others.
The Northern Rockies contain rugged ranges, glacial lakes and mixed conifer forests. Moist Pacific influences reach some inland valleys, producing forest communities unlike the drier mountain regions farther south.
Regional context: Northern Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Kootenai County intersects 7 mapped regional units. The largest mapped shares are:
- Coeur d Alene Metasedimentary Zone42.5%
- Northern Idaho Hills and Low Relief Mountains27.4%
- Spokane Valley Outwash Plains19.7%
- Western Selkirk Maritime Forest7.9%
- Palouse Hills1.6%
Columbia Plateau in Kootenai County
Basalt underlies this dry plateau of grassland and sagebrush. Windblown soils cover some uplands, while ancient flood paths exposed rock across the region's scabland terrain.
Read the regional source ↗Finding your parcel within Kootenai County
The atlas lists 16 cities, towns, townships, and Census communities associated with Kootenai County, including Post Falls, Coeur d'Alene, Hayden. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Kootenai County by land and water
The Census records 71.2 square miles of water within Kootenai County, or 5.4% of its total area. That share is close to Kootenai County’s 5.4%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Kootenai County has 16,286.7 times the land area of nearby Fernan Lake Village city (0.08 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Benewah County, Bonner County, Shoshone County within Idaho. A tract near one of these lines should be matched to the county identifier on its own records.

