RANKING · 2020 CENSUS · 15 SHOWN OF 15

Largest Irish population, Arizona counties · 2020

Arizona counties ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 8,296.

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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 POPULATIONVS 2010

01Maricopa County, AZAZ4,689,558375,649−5%

02Pima County, AZAZ1,074,68593,829−8%

03Pinal County, AZAZ539,38035,906+3%

04Yavapai County, AZAZ252,55232,910−2%

05Mohave County, AZAZ228,10224,974−23%

06Cochise County, AZAZ126,33212,660−16%

07Coconino County, AZAZ144,36812,031−5%

08Yuma County, AZAZ224,4498,296−37%

09Navajo County, AZAZ109,9466,937−31%

10Gila County, AZAZ53,8016,775+12%

11La Paz County, AZAZ16,7112,394−27%

12Apache County, AZAZ64,4451,918−35%

13Graham County, AZAZ40,1571,676−32%

14Santa Cruz County, AZAZ50,0201,035−34%

15Greenlee County, AZAZ9,312241−73%

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

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