THE SAN LUIS LAND BRIEF
Land in the
San Luis Alluvial Flats and Wetlands setting.
San Luis town has 0.57 square miles of land in Costilla County. Its Census reference point is in San Luis Alluvial Flats and Wetlands, within Arizona/New Mexico Plateau.
Plains and mesa tops alternate with steep tableland edges in this transition between deserts, grasslands and forested mountains. Local relief changes sharply even within the broader plateau setting.
Regional context: Arizona/New Mexico Plateau ↗ · Classification at the Census reference point
San Luis and Costilla County
San Luis is associated with Costilla 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.
San Luis by land and water
The Census records 0 square miles of water within San Luis, or 0% of its total area. It is 0.3 percentage points lower than the 0.3% recorded for Costilla County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, San Luis town has 45.1% of the land area of nearby San Acacio CDP (1.26 square miles). These areas describe boundaries, not comparable property prices.

