RANKING · 1990 CENSUS · 15 SHOWN OF 15

Most graduate degrees, Arizona counties · 1990

Arizona counties ranked by the share of adults 25+ holding a graduate or professional degree (1990 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 4.4%.

Flip the list · Fewest graduate degrees, US counties →

ArizonaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Coconino County, AZAZ144,3689.1%–

02Pima County, AZAZ1,074,6859.0%–

03Maricopa County, AZAZ4,689,5587.1%–

04Cochise County, AZAZ126,3326.1%–

05Yavapai County, AZAZ252,5526.1%–

06Yuma County, AZAZ224,4495.0%–

07Greenlee County, AZAZ9,3124.7%–

08Graham County, AZAZ40,1574.4%–

09Santa Cruz County, AZAZ50,0204.1%–

10Gila County, AZAZ53,8013.8%–

11Mohave County, AZAZ228,1023.7%–

12Navajo County, AZAZ109,9463.7%–

13Apache County, AZAZ64,4453.6%–

14La Paz County, AZAZ16,7113.2%–

15Pinal County, AZAZ539,3803.1%–

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

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