RANKING · 2020 CENSUS · 15 SHOWN OF 15

Highest Irish population share, Arizona counties · 2020

Arizona counties ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 8.5%.

Irish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Yavapai County, AZAZ252,55214.2%−1.8 pts

02Gila County, AZAZ53,80112.6%+1.2 pts

03Mohave County, AZAZ228,10211.8%−4.4 pts

04La Paz County, AZAZ16,71111.4%−4.5 pts

05Cochise County, AZAZ126,33210.0%−1.6 pts

06Pima County, AZAZ1,074,6859.0%−1.6 pts

07Maricopa County, AZAZ4,689,5588.5%−2.1 pts

08Coconino County, AZAZ144,3688.5%−1.1 pts

09Pinal County, AZAZ539,3808.0%−2.6 pts

10Navajo County, AZAZ109,9466.3%−3.0 pts

11Graham County, AZAZ40,1574.4%−2.5 pts

12Yuma County, AZAZ224,4493.9%−3.0 pts

13Apache County, AZAZ64,4452.7%−1.5 pts

14Greenlee County, AZAZ9,3122.5%−8.1 pts

15Santa Cruz County, AZAZ50,0202.2%−1.2 pts

SHOWING 1–15 OF 15

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS