RANKING · 2010 CENSUS · 15 SHOWN OF 15

Fastest shrinking, Arizona counties · 2010

Arizona counties with the steepest population decline since the prior decennial census. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

Flip the list · Fastest growing, US counties →

ArizonaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Greenlee County, AZAZ9,312-1.3%−119%

02Apache County, AZAZ64,445+3.0%−76%

03La Paz County, AZAZ16,711+3.9%−91%

04Gila County, AZAZ53,801+4.4%−84%

05Navajo County, AZAZ109,946+10.2%−60%

06Graham County, AZAZ40,157+11.1%−57%

07Cochise County, AZAZ126,332+11.5%−44%

08Coconino County, AZAZ144,368+15.6%−24%

09Pima County, AZAZ1,074,685+16.2%−39%

10Yuma County, AZAZ224,449+22.3%−55%

11Santa Cruz County, AZAZ50,020+23.6%−20%

12Maricopa County, AZAZ4,689,558+24.2%−46%

13Yavapai County, AZAZ252,552+26.0%−53%

14Mohave County, AZAZ228,102+29.1%−56%

15Pinal County, AZAZ539,380+109.1%+100%

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

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