THE BONNER COUNTY LAND BRIEF
Land in the
Inland Maritime Foothills and Valleys setting.
Bonner County has 1,733.2 square miles of land in Idaho. 7 mapped landscape regions meet across Bonner County: Inland Maritime Foothills and Valleys, Purcell-Cabinet-North Bitterroot Mountains, Selkirk Mountains, 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
Bonner County intersects 7 mapped regional units. The largest mapped shares are:
- Inland Maritime Foothills and Valleys53%
- Purcell-Cabinet-North Bitterroot Mountains17.1%
- Selkirk Mountains13.8%
- Coeur d Alene Metasedimentary Zone8.2%
- Spokane Valley Outwash Plains5%
Finding your parcel within Bonner County
The atlas lists 12 cities, towns, townships, and Census communities associated with Bonner County, including Sandpoint, Dover, Ponderay. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Bonner County by land and water
The Census records 184.9 square miles of water within Bonner County, or 9.6% of its total area. That share is close to Bonner County’s 9.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Bonner County has 405.2 times the land area of nearby Sandpoint city (4.28 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Boundary County, Kootenai County, Shoshone County within Idaho. A tract near one of these lines should be matched to the county identifier on its own records.

