RANKING · 2000 CENSUS · 15 SHOWN OF 15

Fastest shrinking, Arizona counties · 2000

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.

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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+6.7%+0%

02Apache County, AZAZ64,445+12.7%+0%

03Coconino County, AZAZ144,368+20.4%+0%

04Cochise County, AZAZ126,332+20.6%+0%

05Navajo County, AZAZ109,946+25.5%+0%

06Graham County, AZAZ40,157+26.1%+0%

07Pima County, AZAZ1,074,685+26.5%+0%

08Gila County, AZAZ53,801+27.6%+0%

09Santa Cruz County, AZAZ50,020+29.3%+0%

10La Paz County, AZAZ16,711+42.4%+0%

11Maricopa County, AZAZ4,689,558+44.8%+0%

12Yuma County, AZAZ224,449+49.7%+0%

13Pinal County, AZAZ539,380+54.4%+0%

14Yavapai County, AZAZ252,552+55.5%+0%

15Mohave County, AZAZ228,102+65.8%+0%

SHOWING 1–15 OF 15

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