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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. [2]
- 1949
- 3rd
- Los Alamos
- Los Alamos
Jul 1, 2022 · Population, Census, April 1, 2020: 19,419: Population, Census, April 1, 2010: 17,950: Age and Sex
Between 2020 and 2021 the population of Los Alamos County, NM grew from 18,976 to 19,169, a 1.02% increase and its median household income grew from $119,266 to $123,677, a 3.7% increase. Reports Maps
Apr 10, 2024 · The most recent county-level data available by age, race, sex, and ethnicity are the Vintage 2020 Population Estimates (census.gov) for 2010 to 2019 and the Vintage 2022 Population Estimates (census.gov) for 2020 through 2022.
Apr 1, 2010 · 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. County Subdivision Los Alamos CCD, Los Alamos County, New Mexico
Jul 1, 2021 · People. Population. Population Estimates, July 1 2021, (V2021) . 19,330. Population estimates base, April 1, 2020, (V2021) . 19,419. Population, percent change - April 1, 2020 (estimates base) to July 1, 2021, (V2021)
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