RANKING · 2010 CENSUS · 15 SHOWN OF 15

Fastest growing, Arizona counties · 2010

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

Flip the list · Fastest shrinking, US counties →

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SAME RANKING BYCities States Metros

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

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Pinal County, AZAZ539,380+109.1%+54.6 pts

02Mohave County, AZAZ228,102+29.1%−36.7 pts

03Yavapai County, AZAZ252,552+26.0%−29.5 pts

04Maricopa County, AZAZ4,689,558+24.2%−20.5 pts

05Santa Cruz County, AZAZ50,020+23.6%−5.8 pts

06Yuma County, AZAZ224,449+22.3%−27.4 pts

07Pima County, AZAZ1,074,685+16.2%−10.3 pts

08Coconino County, AZAZ144,368+15.6%−4.9 pts

09Cochise County, AZAZ126,332+11.5%−9.1 pts

10Graham County, AZAZ40,157+11.1%−15.0 pts

11Navajo County, AZAZ109,946+10.2%−15.3 pts

12Gila County, AZAZ53,801+4.4%−23.2 pts

13La Paz County, AZAZ16,711+3.9%−38.5 pts

14Apache County, AZAZ64,445+3.0%−9.7 pts

15Greenlee County, AZAZ9,312-1.3%−8.0 pts

SHOWING 1–15 OF 15

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS