RANKING · 2020 CENSUS · 15 SHOWN OF 15

Oldest housing stock, Arizona counties · 2020

Arizona counties ranked by oldest median year of construction (2020 ACS). This list covers the 15 counties in Arizona that qualify, ranked against each other statewide. The median across all 15 is 1988.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Greenlee County, AZAZ9,31219780%

02Gila County, AZAZ53,80119830%

03Cochise County, AZAZ126,3321985+1%

04Pima County, AZAZ1,074,6851985+1%

05Apache County, AZAZ64,4451987+1%

06Santa Cruz County, AZAZ50,0201987+1%

07Graham County, AZAZ40,1571987+1%

08Coconino County, AZAZ144,3681988+1%

09La Paz County, AZAZ16,7111988+1%

10Navajo County, AZAZ109,9461988+1%

11Maricopa County, AZAZ4,689,5581990+1%

12Mohave County, AZAZ228,1021993+1%

13Yavapai County, AZAZ252,5521993+1%

14Yuma County, AZAZ224,4491993+1%

15Pinal County, AZAZ539,3802002+1%

SHOWING 1–15 OF 15

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS