THE DENISON LAND BRIEF
Land in the
Northern Post Oak Savanna setting.
Denison city has 29 square miles of land in Grayson County. Its Census reference point is in Northern Post Oak Savanna, within East Central Texas Plains.
The Post Oak Savanna's irregular plains form a transition between open prairie and the Piney Woods. Post oak, grassland and locally dense clay subsoils are characteristic regional elements.
Regional context: East Central Texas Plains ↗ · Classification at the Census reference point
Denison and Grayson County
Denison is associated with Grayson 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.
Denison by land and water
The Census records 0.52 square miles of water within Denison, or 1.8% of its total area. It is 3 percentage points lower than the 4.7% recorded for Grayson County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Denison city has 9.2 times the land area of nearby Pottsboro town (3.16 square miles). These areas describe boundaries, not comparable property prices.

