Ranking of New Mexico Counties By Population in 2018
Updated on January 28, 2024.
Based on the US Census Vintage data estimates, in 2018, the Population for New Mexico was 2.09M. Among all New Mexico counties, Bernalillo County had the highest population (677.93K), followed by Do�a Ana County (217.47K), and Santa Fe County (150.13K).
The chart below shows the top 10 counties, and the table below shows the ranking of all New Mexico counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: New Mexico Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2018 Census.
See this for other years:
Ranking of New Mexico Counties By Population in 2018
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| Rank | County | Population |
|---|---|---|
| 1 | Bernalillo County | 677929 |
| 2 | Do�a Ana County | 217470 |
| 3 | Santa Fe County | 150128 |
| 4 | Sandoval County | 145407 |
| 5 | San Juan County | 125652 |
| 6 | Valencia County | 76452 |
| 7 | McKinley County | 71974 |
| 8 | Lea County | 69538 |
| 9 | Otero County | 66599 |
| 10 | Chaves County | 64488 |
| 11 | Eddy County | 57718 |
| 12 | Curry County | 49413 |
| 13 | Rio Arriba County | 38979 |
| 14 | Taos County | 32708 |
| 15 | San Miguel County | 27512 |
| 16 | Grant County | 27274 |
| 17 | Cibola County | 26797 |
| 18 | Luna County | 23904 |
| 19 | Lincoln County | 19608 |
| 20 | Los Alamos County | 19018 |
| 21 | Roosevelt County | 18713 |
| 22 | Socorro County | 16649 |
| 23 | Torrance County | 15481 |
| 24 | Colfax County | 12097 |
| 25 | Sierra County | 10963 |
| 26 | Quay County | 8203 |
| 27 | Mora County | 4472 |
| 28 | Guadalupe County | 4323 |
| 29 | Hidalgo County | 4233 |
| 30 | Union County | 4099 |
| 31 | Catron County | 3523 |
| 32 | De Baca County | 1781 |
| 33 | Harding County | 649 |