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RANKING · 1990 CENSUS · 15 SHOWN OF 15

Most racially diverse, Arizona counties · 1990

Arizona counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 64.

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Most racially diverse by state
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RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Graham County, AZAZ40,15772–
02Navajo County, AZAZ109,94671–
03Pinal County, AZAZ539,38070–
04La Paz County, AZAZ16,71170–
05Coconino County, AZAZ144,36870–
06Yuma County, AZAZ224,44968–
07Cochise County, AZAZ126,33264–
08Greenlee County, AZAZ9,31264–
09Gila County, AZAZ53,80161–
10Pima County, AZAZ1,074,68559–
11Maricopa County, AZAZ4,689,55847–
12Apache County, AZAZ64,44546–
13Santa Cruz County, AZAZ50,02044–
14Yavapai County, AZAZ252,55220–
15Mohave County, AZAZ228,10219–
SHOWING 1–15 OF 15

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