Data / Rankings / Median age / Counties in Arizona

Counties in Arizona by median age, 2024

La Paz County had the highest median age of 15 counties in 2024, at 60.2 years. Coconino County had the lowest, at 32.8 years. The median was 39.5 years and the figure for Arizona was 39 years. Source: the U.S. Census Bureau.

Highest60.2La Paz County
Lowest32.8Coconino County
Median39.515 counties
Arizona39History

All counties, 2024

CSVChart (SVG)

La Paz CountyLa Paz County: 60.2 years60.2Yavapai CountyYavapai County: 55.1 years55.1Mohave CountyMohave County: 53.6 years53.6Gila CountyGila County: 51.1 years51.1Cochise CountyCochise County: 43 years43Pinal CountyPinal County: 40.4 years40.4Pima CountyPima County: 39.8 years39.8Navajo CountyNavajo County: 39.5 years39.5Santa Cruz CountySanta Cruz County: 37.9 years37.9Maricopa CountyMaricopa County: 37.6 years37.6Apache CountyApache County: 36.6 years36.6Greenlee CountyGreenlee County: 36.3 years36.3Yuma CountyYuma County: 36.1 years36.1Graham CountyGraham County: 34.9 years34.9Coconino CountyCoconino County: 32.8 years32.8
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1La Paz County60.2+0.5
2Yavapai County55.1+0.1
3Mohave County53.6+0.4
4Gila County51.1-0.3
5Cochise County43+0.1
6Pinal County40.4+0.1
7Pima County39.8+0.1
8Navajo County39.5+0.1
9Santa Cruz County37.90
10Maricopa County37.6+0.1
11Apache County36.6+0.4
12Greenlee County36.3+0.2
13Yuma County36.1+0.3
14Graham County34.9+0.5
15Coconino County32.8+0.4

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

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. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

La Paz County, with 60.2 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Coconino County, with 32.8 years in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Arizona: more rankings