Data / Rankings / Population aged 65 and over / Counties in Arizona

Counties in Arizona by share of population aged 65 and over

Yavapai County had the highest share of population aged 65 and over of 15 counties in 2021, at 34.6%. Greenlee County had the lowest, at 13.2%. The median was 20.6% and the figure for Arizona was 19.1%. Source: the U.S. Census Bureau.

Highest34.6Yavapai County
Lowest13.2Greenlee County
Median20.615 counties
Arizona19.1History

All counties, 2021

CSVChart (SVG)

Yavapai CountyYavapai County: 34.6 %34.6La Paz CountyLa Paz County: 34.5 %34.5Mohave CountyMohave County: 31.7 %31.7Gila CountyGila County: 30.4 %30.4Cochise CountyCochise County: 24.9 %24.9Pima CountyPima County: 22.5 %22.5Pinal CountyPinal County: 21.7 %21.7Santa Cruz CountySanta Cruz County: 20.6 %20.6Navajo CountyNavajo County: 20.1 %20.1Yuma CountyYuma County: 19 %19Apache CountyApache County: 18.2 %18.2Maricopa CountyMaricopa County: 16.4 %16.4Coconino CountyCoconino County: 14.8 %14.8Graham CountyGraham County: 14.7 %14.7Greenlee CountyGreenlee County: 13.2 %13.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2021 (%)Change on 2020
1Yavapai County34.6+0.6 pts
2La Paz County34.5+0.7 pts
3Mohave County31.7+0.6 pts
4Gila County30.4+0.6 pts
5Cochise County24.9+0.7 pts
6Pima County22.5+0.6 pts
7Pinal County21.7+0.1 pts
8Santa Cruz County20.6+0.6 pts
9Navajo County20.1+0.3 pts
10Yuma County19+0.5 pts
11Apache County18.2+0.4 pts
12Maricopa County16.4+0.3 pts
13Coconino County14.8+0.8 pts
14Graham County14.7+0.2 pts
15Greenlee County13.2+0.7 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

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Rank Counties in Arizona by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Arizona","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Arizona&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Yavapai County, with 34.6% in 2021, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Greenlee County, with 13.2% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in Arizona: more rankings