THE LAKE SUMNER LAND BRIEF
Land in the
Conchas/Pecos Plains setting.
Lake Sumner CDP has 62.3 square miles of land in De Baca County. Its Census reference point is in Conchas/Pecos Plains, within Southwestern Tablelands.
Canyons, mesas, badlands and river breaks border the High Plains. This more dissected country includes grassland and shrub-covered slopes, with sharper terrain changes than the neighboring plains.
Regional context: Southwestern Tablelands ↗ · Classification at the Census reference point
Lake Sumner and De Baca County
Lake Sumner is associated with De Baca 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 Sumner by land and water
The Census records 6.26 square miles of water within Lake Sumner, or 9.1% of its total area. It is 8.6 percentage points higher than the 0.5% recorded for De Baca County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lake Sumner CDP has 18.8 times the land area of nearby Fort Sumner village (3.31 square miles). These areas describe boundaries, not comparable property prices.

