Median Age in Los Alamos County, NM
ACS 2024 5-Year Estimates
How Los Alamos County Compares
National Distribution
Where Los Alamos County falls among all 3,222 U.S. counties for median age.
■ Los Alamos County: 39.3 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,311 | Marquette County, MI | 39.3 years |
| #2,312 | Dodge County, NE | 39.3 years |
| #2,313 | Nemaha County, NE | 39.3 years |
| #2,314 | Los Alamos County, NM | 39.3 years |
| #2,315 | St. Lawrence County, NY | 39.3 years |
| #2,316 | Coal County, OK | 39.3 years |
| #2,317 | Johnston County, OK | 39.3 years |
Median Age in Los Alamos County, New Mexico
Los Alamos County, New Mexico has a median age of 39.3 years, which ranks #2,314 of 3,222 out of 3,222 counties nationwide. This is 1.0% above the national value of 38.9 years.
Within New Mexico, Los Alamos County ranks #21 of 33 out of 33 counties. This places it in the 28th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.