THE LOS ALAMOS COUNTY LAND BRIEF
Land in the
Foothill Shrublands setting.
Los Alamos County has 109.1 square miles of land in New Mexico. 4 mapped landscape regions meet across Los Alamos County: Foothill Shrublands, Volcanic Mid-Elevation Forests, Volcanic Subalpine Forests, among others.
Steep mountains rise through distinct vegetation bands, from lower grass and shrub country to conifers and alpine terrain. Elevation is a defining difference across Southern Rocky Mountain landscapes.
Regional context: Southern Rockies ↗ · Regional mapping across the county footprint
Where the landscape changes
Los Alamos County intersects 4 mapped regional units. The largest mapped shares are:
- Foothill Shrublands47.9%
- Volcanic Mid-Elevation Forests40.7%
- Volcanic Subalpine Forests7.3%
- North Central New Mexico Valleys and Mesas4%
Arizona/New Mexico Plateau in Los Alamos County
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.
Read the regional source ↗Finding your parcel within Los Alamos County
The atlas lists 2 cities, towns, townships, and Census communities associated with Los Alamos County, including Los Alamos, White Rock. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Los Alamos County by land and water
The Census records 0.08 square miles of water within Los Alamos County, or 0.1% of its total area. That share is close to Los Alamos County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Los Alamos County has 9.8 times the land area of nearby Los Alamos CDP (11.1 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Rio Arriba County, Sandoval County, Santa Fe County within New Mexico. A tract near one of these lines should be matched to the county identifier on its own records.