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As of the 2020 census, the population was 19,419. [1] The smallest county by area in the state, Los Alamos County was formerly administered exclusively by the U.S. federal government during the Manhattan Project, but it now has equal status to New Mexico's other counties. The county has two census-designated places: Los Alamos and White Rock.
- 1949
- 3rd
- Los Alamos
- Los Alamos
Los Alamos is located in northern New Mexico between the Rio Grande and the eastern rim of the Valles Caldera on the Pajarito Plateau, approximately 35 mi (56 km) to the northwest of Santa Fe. The elevation at the post office is 7,320 feet (2,230 m) and total land area is 11.14 square miles (28.9 km 2 ).
- 7,320 ft (2,231 m)
- Los Alamos
Los Alamos County, New Mexico has 109.1 square miles of land area and is the 33rd largest county in New Mexico by total area. Topics in the Los Alamos County, New Mexico data profile include: Populations and People; Income and Poverty; Education; Employment; Housing; Health; Business and Economy; Families and Living Arrangements; Race and Ethnicity
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Jul 1, 2022 · QuickFacts Los Alamos County, New Mexico. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.
- (800) 923-8282
- 178.0
- 164.4
- 17,950
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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 formerly administered exclusively by the U.S. federal government during the Manhattan Project, but it now has equal status to New Mexico's other counties. The county has two census-designated places: Los Alamos and ...
Apr 10, 2024 · Los Alamos County's population increased 8 out of the 12 years between year 2010 and year 2022. Its largest annual population increase was 2.9% between 2016 and 2017. The county ’s largest decline was between 2012 and 2013 when the population dropped 1.5%. Between 2010 and 2022, the county grew by an average of 0.5% per year.
The state is divided into 33 counties and 106 municipalities, which include cities, towns, villages, and a consolidated city-county, Los Alamos. Only three cities have at least 100,000 residents: Albuquerque, Rio Rancho, and Las Cruces, whose respective metropolitan areas together account for the majority of New Mexico's population.
