# Counties in New Mexico by median age, 2024

All 33 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `median_age`
- Unit: years
- Definition: Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/median-age/new-mexico-counties
- CSV: https://invokely.ai/download/rankings/median-age/new-mexico-counties.csv

| Rank | Place | years |
|---:|---|---:|
| 1 | Catron County | 63.8 |
| 2 | Sierra County | 57.6 |
| 3 | Mora County | 55.1 |
| 4 | Taos County | 52.6 |
| 5 | Lincoln County | 52.4 |
| 6 | Grant County | 49.5 |
| 7 | Colfax County | 49.1 |
| 8 | Quay County | 48.9 |
| 9 | Santa Fe County | 48.7 |
| 10 | San Miguel County | 47.2 |
| 11 | Torrance County | 43.3 |
| 12 | Hidalgo County | 42.6 |
| 12 | Union County | 42.6 |
| 14 | Harding County | 42.5 |
| 15 | Rio Arriba County | 42 |
| 16 | Sandoval County | 41.3 |
| 17 | Socorro County | 40.3 |
| 18 | Cibola County | 40 |
| 19 | Bernalillo County | 39.5 |
| 20 | Valencia County | 39.4 |
| 21 | Los Alamos County | 39.3 |
| 22 | San Juan County | 38.3 |
| 23 | Guadalupe County | 37.8 |
| 24 | Chaves County | 37.2 |
| 25 | Otero County | 36.4 |
| 26 | Luna County | 36.3 |
| 27 | Eddy County | 36.2 |
| 28 | De Baca County | 35.3 |
| 29 | McKinley County | 34.6 |
| 30 | Doña Ana County | 34.3 |
| 31 | Lea County | 32.5 |
| 32 | Roosevelt County | 32.3 |
| 33 | Curry County | 31.9 |