THE LAKE SINAI LAND BRIEF
Land in the
Prairie Coteau setting.
Lake Sinai township has 33.3 square miles of land in Brookings County. Its Census reference point is in Prairie Coteau, 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
Lake Sinai and Brookings County
Lake Sinai is associated with Brookings 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.
Lake Sinai by land and water
The Census records 2.2 square miles of water within Lake Sinai, or 6.2% of its total area. It is 4.6 percentage points higher than the 1.6% recorded for Brookings County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lake Sinai township has 90.4 times the land area of nearby Sinai town (0.37 square miles). These areas describe boundaries, not comparable property prices.

