RANKING · 2010 CENSUS · 15 SHOWN OF 15

Youngest by median age, Arizona counties · 2010

Arizona counties with the youngest median age (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

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Coconino County, AZAZ144,36831.0+5%

02Graham County, AZAZ40,15731.6+2%

03Apache County, AZAZ64,44532.4+20%

04Yuma County, AZAZ224,44933.8−0%

05Maricopa County, AZAZ4,689,55834.6+5%

06Navajo County, AZAZ109,94634.7+15%

07Greenlee County, AZAZ9,31234.8+4%

08Pinal County, AZAZ539,38035.3−5%

09Santa Cruz County, AZAZ50,02035.6+12%

10Pima County, AZAZ1,074,68537.7+6%

11Cochise County, AZAZ126,33239.7+8%

12Mohave County, AZAZ228,10247.6+11%

13Gila County, AZAZ53,80147.9+13%

14Yavapai County, AZAZ252,55249.2+11%

15La Paz County, AZAZ16,71153.9+15%

SHOWING 1–15 OF 15

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