Los Alamos County, county in New Mexico, United States. As of 2020 county had an estimated population of 19,462 inhabitants. The county was created 75 years ago in 1949. Its county seat is Los Alamos.
There are 1 city/town in Los Alamos County, NM. The largest city of Los Alamos County is Los Alamos with a population of 12,019.
List of cities, towns, neighborhoods & other populated places in Los Alamos County.
City Name | Title | Population |
---|---|---|
Los Alamos | Townsite in New Mexico | 12,019 |