THE TUALATIN LAND BRIEF
Land in the
Prairie Terraces setting.
Tualatin city has 8.42 square miles of land in Clackamas County, Washington County. Its Census reference point is in Prairie Terraces, within Willamette Valley.
The Willamette River's floodplains and terraces sit among low hills and scattered buttes. The valley's prairie, oak and riparian landscape differs markedly from the conifer-covered mountains around it.
Regional context: Willamette Valley ↗ · Classification at the Census reference point
One place name. 2 county geographies.
Tualatin intersects 2 county geographies: Clackamas County, Washington County. A Tualatin mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Tualatin by land and water
The Census records 0 square miles of water within Tualatin, or 0% of its total area. It is 2.4 percentage points lower than the 2.4% recorded for Oregon. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Tualatin city has 20.5 times the land area of nearby Durham city (0.41 square miles). These areas describe boundaries, not comparable property prices.

