Demographics & People — Los Alamos, New Mexico
Population Overview
| Population (Census) | 13,471 |
| Estimated 2026 | ~13,000 |
| Median Age | 38.8 |
| Total Households | 5,947 |
| Family Households | 3,668 |
| Average Household Size | 2.25 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 10,068 |
| Black or African American | 119 |
| Asian | 900 |
| Hispanic or Latino | 2,401 |
Heritage & Ancestry
| Group | Count |
| Other groups | 4,445 |
| German | 2,412 |
| Hispanic: Hispanic or Latino | 2,371 |
| English | 2,050 |
| Unclassified or not reported | 1,660 |
| Irish | 1,342 |
| Hispanic: Mexican | 1,096 |
| Hispanic: Other Hispanic or Latino | 1,048 |
| European | 793 |
| Hispanic: Spanish | 648 |
Language
| English Only | 10,298 |
| Spanish | 1,102 |
| Population 5+ | 12,982 |
Veterans
| Veterans | 799 |
| Population 18+ | 10,740 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Los Alamos, New Mexico.