THE BOISE CITY LAND BRIEF
Land in the
Treasure Valley setting.
Boise City city has 86.1 square miles of land in Ada County. Its Census reference point is in Treasure Valley, within Snake River Plain.
The Snake River Plain is lower and gentler than its surrounding mountains. Alluvial valleys, sagebrush-covered plains, low hills and scattered lava fields form its principal landscape patterns.
Regional context: Snake River Plain ↗ · Classification at the Census reference point
Boise City and Ada County
Boise City is associated with Ada County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Boise City by land and water
The Census records 0.98 square miles of water within Boise City, or 1.1% of its total area. It is 0.3 percentage points higher than the 0.8% recorded for Ada County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Boise City city has 21.1 times the land area of nearby Garden City city (4.08 square miles). These areas describe boundaries, not comparable property prices.

