Data / Rankings / Median age / Counties in Arizona

Counties in Arizona by median age

La Paz County had the highest median age of 15 counties in 2023, at 59.7 years. Coconino County had the lowest, at 32.4 years. The median was 39.4 years and the figure for Arizona was 38.8 years. Source: the U.S. Census Bureau.

Highest59.7La Paz County
Lowest32.4Coconino County
Median39.415 counties
Arizona38.8History

All counties, 2023

CSVChart (SVG)

La Paz CountyLa Paz County: 59.7 years59.7Yavapai CountyYavapai County: 55 years55Mohave CountyMohave County: 53.2 years53.2Gila CountyGila County: 51.4 years51.4Cochise CountyCochise County: 42.9 years42.9Pinal CountyPinal County: 40.3 years40.3Pima CountyPima County: 39.7 years39.7Navajo CountyNavajo County: 39.4 years39.4Santa Cruz CountySanta Cruz County: 37.9 years37.9Maricopa CountyMaricopa County: 37.5 years37.5Apache CountyApache County: 36.2 years36.2Greenlee CountyGreenlee County: 36.1 years36.1Yuma CountyYuma County: 35.8 years35.8Graham CountyGraham County: 34.4 years34.4Coconino CountyCoconino County: 32.4 years32.4
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
years		Change on 2022
1La Paz County59.7+2.4
2Yavapai County55+0.5
3Mohave County53.2+0.3
4Gila County51.4+0.8
5Cochise County42.9+1.5
6Pinal County40.3+0.5
7Pima County39.7+0.7
8Navajo County39.4+0.7
9Santa Cruz County37.9+0.6
10Maricopa County37.5+0.4
11Apache County36.2+0.6
12Greenlee County36.1+0.6
13Yuma County35.8+0.5
14Graham County34.4+0.3
15Coconino County32.4+0.7

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/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

La Paz County, with 59.7 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Coconino County, with 32.4 years in 2023.

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