THE MCKAY LAND BRIEF
Land in the
Umatilla Dissected Uplands setting.
McKay CDP has 23.4 square miles of land in Umatilla County. Its Census reference point is in Umatilla Dissected Uplands, within Columbia Plateau.
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.
Regional context: Columbia Plateau ↗ · Classification at the Census reference point
McKay and Umatilla County
McKay is associated with Umatilla 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.
McKay by land and water
The Census records 0 square miles of water within McKay, or 0% of its total area. It is 0.5 percentage points lower than the 0.5% recorded for Umatilla County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, McKay CDP has 15.9 times the land area of nearby Pilot Rock city (1.48 square miles). These areas describe boundaries, not comparable property prices.

