THE JEFFERSON LAND BRIEF
Land in the
Willamette River and Tributaries Gallery Forest setting.
Jefferson city has 0.86 square miles of land in Marion County. Its Census reference point is in Willamette River and Tributaries Gallery Forest, 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
Jefferson and Marion County
Jefferson is associated with Marion 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.
Jefferson by land and water
The Census records 0.03 square miles of water within Jefferson, or 3.2% of its total area. It is 2.3 percentage points higher than the 0.9% recorded for Marion County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Jefferson city has 20.7% of the land area of nearby Millersburg city (4.14 square miles). These areas describe boundaries, not comparable property prices.

