Los Alamos County, New Mexico
Ashley Pond — CC BY-SA 3.0, Photographer and original uploader is/was TedE at en.wikipedia · source
New Mexico Voter Check

Los Alamos County, New Mexico

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About Los Alamos County

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.

Description adapted from Wikipedia, CC BY-SA 4.0.

Los Alamos County at a glance

County seat
Los Alamos
Population
19,419 (2020)
Land area
109 sq mi
Founded
1949

Largest communities in Los Alamos County

  1. Los Alamos County seat13,179
  2. White Rock5,852

History of Los Alamos County

The land that eventually became Los Alamos County was administered exclusively by the U.S. federal government during and for a few years after the Manhattan Project. Los Alamos County comprises the Los Alamos Micropolitan Statistical Area, which is also included in the Albuquerque–Santa Fe–Los Alamos combined statistical area. The county is home to the Los Alamos National Laboratory. Los Alamos County is noted for having the lowest level of child poverty of any county in the United States.

Adapted from Wikipedia, CC BY-SA 4.0.

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  2. 02

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Official channels

Los Alamos County election resources

Neighboring counties

Part of New Mexico Voter Check

This is the Los Alamos County page of New Mexico Voter Check, a project of True the Vote, pointing New Mexico voters at the official tools that already exist — and at Scan Check Protect to verify your registration.

Where anything here differs from what Los Alamos County or the New Mexico Secretary of State publishes, they are right and this page is not.