RANKING · 1990 CENSUS · 15 SHOWN OF 15

Fewest graduate degrees, Arizona counties · 1990

Arizona counties with the smallest share of adults 25+ holding a graduate or professional degree (2023 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Pinal County, AZAZ539,3803.1%−30%

02La Paz County, AZAZ16,7113.2%−1%

03Apache County, AZAZ64,4453.6%−11%

04Navajo County, AZAZ109,9463.7%−25%

05Mohave County, AZAZ228,1023.7%+4%

06Gila County, AZAZ53,8013.8%−30%

07Santa Cruz County, AZAZ50,0204.1%−35%

08Graham County, AZAZ40,1574.4%−19%

09Greenlee County, AZAZ9,3124.7%−7%

10Yuma County, AZAZ224,4495.0%+6%

11Yavapai County, AZAZ252,5526.1%−25%

12Cochise County, AZAZ126,3326.1%−4%

13Maricopa County, AZAZ4,689,5587.1%−18%

14Pima County, AZAZ1,074,6859.0%−18%

15Coconino County, AZAZ144,3689.1%−19%

SHOWING 1–15 OF 15

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES