CensusEasy
RANKING · 1990 CENSUS · 15 SHOWN OF 15

Least racially diverse, Arizona counties · 1990

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

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