There are 2 cities in Los Alamos County, New Mexico.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Los Alamos1New Mexico13,46012,978 1,21011.13
White Rock2New Mexico5,5925,845 7917.07
showing: 2 rows

Cities in Los Alamos County, New Mexico by Population (2024)

What is the largest city in Los Alamos County, New Mexico?

Los Alamos is the largest city in Los Alamos County.

What is the smallest city in Los Alamos County, New Mexico?

White Rock is the smallest city in Los Alamos County.

How many cities are in Los Alamos County?

There are 2 cities in Los Alamos County, New Mexico.

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