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.

Data Source: US Census Bureau.
Ranking of Arizona Counties By Population with Irish Ancestry in 2021
Maricopa County
Pima County
Pinal County
Yavapai County
Mohave County
Coconino County
Cochise County
Yuma County
Gila County
Navajo County
Ranking of Arizona Counties By Population with Irish Ancestry in 2021
0 of 0
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