RANKING · 2000 CENSUS · 15 SHOWN OF 15

Youngest by median age, Arizona counties · 2000

Arizona counties with the youngest median age (2023 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

Flip the list · Oldest by median age, US counties →

ArizonaAll states All rankings

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

01Apache County, AZAZ64,44527.0+0%

02Coconino County, AZAZ144,36829.6+0%

03Navajo County, AZAZ109,94630.2+0%

04Graham County, AZAZ40,15730.9+0%

05Santa Cruz County, AZAZ50,02031.8+0%

06Maricopa County, AZAZ4,689,55833.0+0%

07Greenlee County, AZAZ9,31233.6+0%

08Yuma County, AZAZ224,44933.9+0%

09Pima County, AZAZ1,074,68535.7+0%

10Cochise County, AZAZ126,33236.9+0%

11Pinal County, AZAZ539,38037.1+0%

12Gila County, AZAZ53,80142.3+0%

13Mohave County, AZAZ228,10242.9+0%

14Yavapai County, AZAZ252,55244.5+0%

15La Paz County, AZAZ16,71146.8+0%

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

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