RANKING · 1990 CENSUS · 15 SHOWN OF 15

Largest senior population, Arizona counties · 1990

Arizona counties home to the most residents aged 65 and over as of 1990. Ranked by number of people, not the senior share. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

ArizonaAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS –

01Maricopa County, AZAZ4,689,558264,650–

02Pima County, AZAZ1,074,68591,257–

03Yavapai County, AZAZ252,55225,517–

04Mohave County, AZAZ228,10219,479–

05Pinal County, AZAZ539,38015,731–

06Yuma County, AZAZ224,44914,671–

07Cochise County, AZAZ126,33212,815–

08Gila County, AZAZ53,8017,902–

09Navajo County, AZAZ109,9466,301–

10Coconino County, AZAZ144,3685,585–

11Apache County, AZAZ64,4453,939–

12Graham County, AZAZ40,1573,309–

13Santa Cruz County, AZAZ50,0202,947–

14La Paz County, AZAZ16,7112,203–

15Greenlee County, AZAZ9,312894–

SHOWING 1–15 OF 15

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