Los Alamos County, NM — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
19,374
Male
9,990
51.6%
Female
9,384
48.4%
Median Age
41.1 yrs
Avg Household Size
2.4
Foreign Born
11.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher49.6%
High School or Higher57.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.0%
Disability
0.0%
Non-English Home
1.2%
Married
49.9%
Los Alamos County, NM has a population of 19,374 according to 2023 Census Bureau estimates. The median age is 41.1 years. The largest racial or ethnic group is White at 76.3% of the population. 49.6% of residents hold a bachelor's degree or higher. 11.1% of residents are foreign-born.