RANKING · 2020 CENSUS · 15 SHOWN OF 15

Largest Mexican population, Arizona counties · 2020

Arizona counties ranked by the number of residents who are Mexican origin, 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.

Mexican Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDHighest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2010

01Maricopa County, AZAZ4,689,5581,187,870+22%

02Pima County, AZAZ1,074,685346,592+18%

03Yuma County, AZAZ224,449131,000+24%

04Pinal County, AZAZ539,380122,894+45%

05Cochise County, AZAZ126,33239,411+5%

06Santa Cruz County, AZAZ50,02037,504+3%

07Mohave County, AZAZ228,10228,692+17%

08Yavapai County, AZAZ252,55228,362+22%

09Coconino County, AZAZ144,36815,093−3%

10Graham County, AZAZ40,15712,074+27%

11Navajo County, AZAZ109,94610,403+18%

12Gila County, AZAZ53,8019,194+18%

13La Paz County, AZAZ16,7115,301+19%

14Greenlee County, AZAZ9,3124,220+25%

15Apache County, AZAZ64,4453,558+26%

SHOWING 1–15 OF 15

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