THE AFTON LAND BRIEF
Land in the
Lower St. Croix and Vermillion Valleys setting.
Afton city has 25.1 square miles of land in Washington County. Its Census reference point is in Lower St. Croix and Vermillion Valleys, within Western Corn Belt Plains.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Classification at the Census reference point
Afton and Washington County
Afton is associated with Washington 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.
Afton by land and water
The Census records 1.39 square miles of water within Afton, or 5.2% of its total area. It is 3.9 percentage points lower than the 9.1% recorded for Washington County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Afton city has 65 times the land area of nearby St. Marys Point city (0.39 square miles). These areas describe boundaries, not comparable property prices.

