THE DUNCAN LAND BRIEF
Land in the
Northwestern Cross Timbers setting.
Duncan city has 42.9 square miles of land in Stephens County. Its Census reference point is in Northwestern Cross Timbers, within Cross Timbers.
The Cross Timbers mark a transition from prairie to more wooded eastern landscapes. Native grassland is interspersed with post oak and blackjack oak, creating a woodland-and-open-country mosaic.
Regional context: Cross Timbers ↗ · Classification at the Census reference point
Duncan and Stephens County
Duncan is associated with Stephens 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.
Duncan by land and water
The Census records 4.88 square miles of water within Duncan, or 10.2% of its total area. It is 7.8 percentage points higher than the 2.4% recorded for Stephens County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Duncan city has 24.6 times the land area of nearby Sunray CDP (1.75 square miles). These areas describe boundaries, not comparable property prices.

