Ranking of New Mexico Counties By Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 326.68K people in New Mexico with Unclassified ancestry. Among all New Mexico counties, Bernalillo County had the highest population with Unclassified ancestry (106.14K), followed by Doña Ana County (35.47K), and Sandoval County (21.22K).
The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in New Mexico.
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Related Topics: New Mexico ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of New Mexico Counties By Population with Unclassified Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Bernalillo County | 106139 |
| 2 | Doña Ana County | 35473 |
| 3 | Sandoval County | 21220 |
| 4 | Santa Fe County | 19225 |
| 5 | San Juan County | 17774 |
| 6 | Eddy County | 15352 |
| 7 | Chaves County | 14815 |
| 8 | Valencia County | 14663 |
| 9 | Lea County | 14142 |
| 10 | Otero County | 10462 |
| 11 | Curry County | 8873 |
| 12 | McKinley County | 8798 |
| 13 | San Miguel County | 4785 |
| 14 | Roosevelt County | 4020 |
| 15 | Taos County | 3905 |
| 16 | Grant County | 3398 |
| 17 | Luna County | 2765 |
| 18 | Los Alamos County | 2598 |
| 19 | Lincoln County | 2202 |
| 20 | Colfax County | 2037 |
| 21 | Rio Arriba County | 2000 |
| 22 | Torrance County | 1990 |
| 23 | Quay County | 1912 |
| 24 | Cibola County | 1817 |
| 25 | Socorro County | 1728 |
| 26 | Sierra County | 1476 |
| 27 | Guadalupe County | 1046 |
| 28 | Union County | 644 |
| 29 | Hidalgo County | 466 |
| 30 | Catron County | 324 |
| 31 | De Baca County | 236 |
| 32 | Mora County | 225 |
| 33 | Harding County | 170 |