THE HILLIAR LAND BRIEF
Land in the
Low Lime Drift Plain setting.
Hilliar township has 26 square miles of land in Knox County. Its Census reference point is in Low Lime Drift Plain, within Erie Drift Plain.
Low rounded hills, glacial moraines, kettles and wetland areas define the Erie Drift Plain. Its terrain is more varied than nearby flatter farming regions and less rugged than the unglaciated plateaus.
Regional context: Erie Drift Plain ↗ · Classification at the Census reference point
Hilliar and Knox County
Hilliar is associated with Knox 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.
Hilliar by land and water
The Census records 0.08 square miles of water within Hilliar, or 0.3% of its total area. It is 0.5 percentage points lower than the 0.8% recorded for Knox County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hilliar township has 26.9 times the land area of nearby Centerburg village (0.97 square miles). These areas describe boundaries, not comparable property prices.

