THE ROUND LAKE LAND BRIEF
Land in the
Glacial Lake Deltas setting.
Round Lake township has 32.6 square miles of land in McHenry County. Its Census reference point is in Glacial Lake Deltas, within Northern Glaciated Plains.
Flat to gently rolling glacial terrain supports a prairie transition between taller and shorter grasses. Many temporary and seasonal wetlands occupy depressions left in the glacial landscape.
Regional context: Northern Glaciated Plains ↗ · Classification at the Census reference point
Round Lake and McHenry County
Round Lake is associated with McHenry 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.
Round Lake by land and water
The Census records 3.53 square miles of water within Round Lake, or 9.8% of its total area. It is 7.8 percentage points higher than the 2% recorded for McHenry County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Round Lake township has 92.6% of the land area of nearby Lake George township (35.2 square miles). These areas describe boundaries, not comparable property prices.

