Ranking of Arizona Counties By Percentage of Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.45M people in Arizona with Unclassified ancestry (20.41% of Arizona population). Among all Arizona counties, Graham County had the highest percentage of its population with Unclassified ancestry (39.63%), followed by Greenlee County (36.71%), and Pinal County (24.02%).
The chart and table below shows the top 10 counties with high percentage of its population having Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in Arizona.
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Related Topics: Arizona ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Arizona Counties By Percentage of Population with Unclassified Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Graham County | 39.63 |
| 2 | Greenlee County | 36.71 |
| 3 | Pinal County | 24.02 |
| 4 | Mohave County | 23.56 |
| 5 | Gila County | 22.35 |
| 6 | Maricopa County | 21.10 |
| 7 | Yavapai County | 21.08 |
| 8 | Cochise County | 18.73 |
| 9 | Pima County | 18.26 |
| 10 | Coconino County | 16.90 |
| 11 | La Paz County | 15.49 |
| 12 | Navajo County | 14.93 |
| 13 | Yuma County | 13.67 |
| 14 | Santa Cruz County | 11.28 |
| 15 | Apache County | 6.58 |