THE LA UNION LAND BRIEF
Land in the
Rio Grande Floodplain setting.
La Union CDP has 4.14 square miles of land in Doña Ana County. Its Census reference point is in Rio Grande Floodplain, within Chihuahuan Deserts.
Desert basins and mountain ranges extend across this region, with the Rio Grande and Pecos as important drainage corridors. Arid shrubland and grassland contrast with wooded higher elevations.
Regional context: Chihuahuan Deserts ↗ · Classification at the Census reference point
La Union and Doña Ana County
La Union is associated with Doña Ana 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.
La Union by land and water
The Census records 0 square miles of water within La Union, or 0% of its total area. It is 0.2 percentage points lower than the 0.2% recorded for Doña Ana County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, La Union CDP has 46.8% of the land area of nearby Santa Teresa CDP (8.85 square miles). These areas describe boundaries, not comparable property prices.

