THE LAKE OSWEGO LAND BRIEF
Land in the
Valley Foothills setting.
Lake Oswego city has 10.9 square miles of land in Clackamas County, Multnomah County, Washington County. Its Census reference point is in Valley Foothills, 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. 3 county geographies.
Lake Oswego intersects 3 county geographies: Clackamas County, Multnomah County, Washington County. A Lake Oswego mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Lake Oswego by land and water
The Census records 0.66 square miles of water within Lake Oswego, or 5.7% of its total area. It is 3.3 percentage points higher than the 2.4% recorded for Oregon. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lake Oswego city has 1.7 times the land area of nearby Stafford CDP (6.27 square miles). These areas describe boundaries, not comparable property prices.

