The graph below ranks each New Mexico County by total residents according to the 2012 census estimates.
New Mexico total population by county
| County | Total Population |
| Bernalillo |  672,444 |
| Dona Ana | 213,952 |
| Santa Fe | 146,456 |
| Sandoval | 135,383 |
| San Juan | 128,340 |
| Valencia | 76,591 |
| McKinley | 72,726 |
| Lea | 66,165 |
| Otero | 65,922 |
| Chaves | 65,727 |
| Eddy | 54,435 |
| Curry | 50,696 |
| Rio Arriba | 40,302 |
| Taos | 32,800 |
| Grant | 29,364 |
| San Miguel | 28,914 |
| Cibola | 27,259 |
| Luna | 24,967 |
| Roosevelt | 20,318 |
| Lincoln | 20,266 |
| Los Alamos | 18,146 |
| Socorro | 17,571 |
| Torrance | 16,046 |
| Colfax | 13,243 |
| Sierra | 11,900 |
| Quay | 8,772 |
| Hidalgo | 4,809 |
| Mora | 4,701 |
| Guadalupe | 4,608 |
| Union | 4,423 |
| Catron | 3,662 |
| DeBaca | 1,933 |
| Harding | 699 |