New Mexico counties ranked by the diversity index, the chance that two public school students picked at random from the county belong to different racial or ethnic groups. Counties need at least 3 schools and 1,000 students to qualify. The median ranked county is at 50.0%.
| # | County | State | Diversity index |
|---|---|---|---|
| 1 | Otero County | NM | 67.5% |
| 2 | San Juan County | NM | 67.1% |
| 3 | Sandoval County | NM | 62.7% |
| 4 | Lincoln County | NM | 60.7% |
| 5 | Los Alamos County | NM | 58.7% |
| 6 | Cibola County | NM | 56.5% |
| 7 | Sierra County | NM | 56.1% |
| 8 | Curry County | NM | 53.6% |
| 9 | Socorro County | NM | 53.5% |
| 10 | Quay County | NM | 52.3% |
| 11 | Bernalillo County | NM | 52.2% |
| 12 | Roosevelt County | NM | 52.0% |
| 13 | McKinley County | NM | 50.4% |
| 14 | Torrance County | NM | 49.5% |
| 15 | Taos County | NM | 47.4% |
| 16 | Eddy County | NM | 46.9% |
| 17 | Rio Arriba County | NM | 46.0% |
| 18 | Santa Fe County | NM | 45.8% |
| 19 | Colfax County | NM | 42.9% |
| 20 | Grant County | NM | 42.0% |
| 21 | Valencia County | NM | 39.1% |
| 22 | Chaves County | NM | 38.0% |
| 23 | Lea County | NM | 36.2% |
| 24 | Doña Ana County | NM | 25.7% |
| 25 | Luna County | NM | 22.2% |
| 26 | San Miguel County | NM | 15.7% |