Ranking of Arizona Counties By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 614.92K people in Arizona with Irish ancestry. Among all Arizona counties, Maricopa County had the highest population with Irish ancestry (374.30K), followed by Pima County (92.58K), and Pinal County (35.56K).
The chart and table below shows the top 10 counties with high number of people with Irish 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 Population with Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Maricopa County | 374304 |
| 2 | Pima County | 92580 |
| 3 | Pinal County | 35556 |
| 4 | Yavapai County | 33303 |
| 5 | Mohave County | 26218 |
| 6 | Coconino County | 13175 |
| 7 | Cochise County | 12378 |
| 8 | Yuma County | 7950 |
| 9 | Gila County | 6659 |
| 10 | Navajo County | 6258 |
| 11 | Apache County | 1923 |
| 12 | La Paz County | 1586 |
| 13 | Graham County | 1551 |
| 14 | Santa Cruz County | 1218 |
| 15 | Greenlee County | 262 |