RANKING · 2010 CENSUS · 15 SHOWN OF 15

Fastest shrinking, Arizona counties · 2010

Arizona counties with the steepest population decline from the 2000 census to 2010. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

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

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS