Ranking of Arizona Counties By Percentage of Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 52.00K people in Arizona with Scotch Irish ancestry (0.74% of Arizona population). Among all Arizona counties, Yavapai County had the highest percentage of its population with Scotch Irish ancestry (1.81%), followed by Gila County (1.62%), and Navajo County (1.22%).

The chart and table below shows the top 10 counties with high percentage of its population having Scotch 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 Percentage of Population with Scotch Irish Ancestry in 2021
Yavapai County
Gila County
Navajo County
La Paz County
Pima County
Cochise County
Mohave County
Coconino County
Graham County
Maricopa County
Ranking of Arizona Counties By Percentage of Population with Scotch Irish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Yavapai County 1.81
2 Gila County 1.62
3 Navajo County 1.22
4 La Paz County 0.94
4 Pima County 0.94
5 Cochise County 0.90
6 Mohave County 0.85
7 Coconino County 0.71
8 Graham County 0.67
9 Maricopa County 0.63
10 Pinal County 0.61
11 Apache County 0.47
12 Greenlee County 0.40
12 Yuma County 0.40
13 Santa Cruz County 0.14