THE DAYVILLE LAND BRIEF
Land in the
John Day/Clarno Uplands setting.
Dayville town has 0.53 square miles of land in Grant County. Its Census reference point is in John Day/Clarno Uplands, within Blue Mountains.
The Blue Mountains combine open mountain ranges and dissected volcanic uplands. The Wallowa and Elkhorn high country includes older granitic and metamorphic rocks above the surrounding lava landscape.
Regional context: Blue Mountains ↗ · Classification at the Census reference point
Dayville and Grant County
Dayville is associated with Grant 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.
Dayville by land and water
The Census records 0 square miles of water within Dayville, or 0% of its total area. That share is close to Grant County’s 0%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dayville town has 77% of the land area of nearby Mount Vernon city (0.68 square miles). These areas describe boundaries, not comparable property prices.

