Los Alamos County New Mexico

Los Alamos County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 19,419. The smallest county by area in the state, Los Alamos County was formed from parts of Sandoval and Santa Fe counties on June 10, 1949. The county has two census-designated places: Los Alamos and White Rock.
  • Country: United States
  • State: New Mexico
  • Founded: 1949
  • Seat: Los Alamos
  • Largest community: Los Alamos
  • Congressional district: 3rd
  • Time zone: UTC−7 (Mountain)

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Data from: en.wikipedia.org