Data / Rankings / High school graduate or higher, population 25 and over / Counties in Arizona

Counties in Arizona by high school graduate or higher, population 25 and over, 2024

Yavapai County had the highest high school graduate or higher, population 25 and over of 15 counties in 2024, at 92.7%. Santa Cruz County had the lowest, at 76.6%. The median was 88.1% and the figure for Arizona was 89.4%. Source: the U.S. Census Bureau.

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Highest92.7Yavapai County
Lowest76.6Santa Cruz County
Median88.115 counties
Arizona89.4History

Map of counties, 2024

Apache County: 85 %Cochise County: 89.3 %Coconino County: 92 %Gila County: 90.5 %Graham County: 85 %Greenlee County: 85.5 %La Paz County: 85.1 %Maricopa County: 89.8 %Mohave County: 88.1 %Navajo County: 86.5 %Pima County: 90.5 %Pinal County: 89.2 %Santa Cruz County: 76.6 %Yavapai County: 92.7 %Yuma County: 77.5 %
  • Under 85
  • 85 to 86
  • 86 to 89
  • 89 to 90
  • 90 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Yavapai County: 92.7 %Yavapai County92.7Coconino County: 92 %Coconino County92Pima County: 90.5 %Pima County90.5Gila County: 90.5 %Gila County90.5Maricopa County: 89.8 %Maricopa County89.8Cochise County: 89.3 %Cochise County89.3Pinal County: 89.2 %Pinal County89.2Mohave County: 88.1 %Mohave County88.1Navajo County: 86.5 %Navajo County86.5Greenlee County: 85.5 %Greenlee County85.5La Paz County: 85.1 %La Paz County85.1Apache County: 85 %Apache County85Graham County: 85 %Graham County85Yuma County: 77.5 %Yuma County77.5Santa Cruz County: 76.6 %Santa Cruz County76.6Yavapai County: 92.7 %Yavapai County92.7Coconino County: 92 %Coconino County92Pima County: 90.5 %Pima County90.5Gila County: 90.5 %Gila County90.5Maricopa County: 89.8 %Maricopa County89.8Cochise County: 89.3 %Cochise County89.3Pinal County: 89.2 %Pinal County89.2Mohave County: 88.1 %Mohave County88.1Navajo County: 86.5 %Navajo County86.5Greenlee County: 85.5 %Greenlee County85.5La Paz County: 85.1 %La Paz County85.1Apache County: 85 %Apache County85Graham County: 85 %Graham County85Yuma County: 77.5 %Yuma County77.5Santa Cruz County: 76.6 %Santa Cruz County76.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Yavapai County92.7+0.2 pts
2Coconino County920 pts
3Pima County90.5+0.6 pts
4Gila County90.5+0.8 pts
5Maricopa County89.8+0.3 pts
6Cochise County89.3+0.1 pts
7Pinal County89.20 pts
8Mohave County88.1-0.1 pts
9Navajo County86.5+0.5 pts
10Greenlee County85.5-2.6 pts
11La Paz County85.1+2.6 pts
12Apache County85+0.1 pts
13Graham County85+0.7 pts
14Yuma County77.5+0.8 pts
15Santa Cruz County76.6-1.1 pts

Other periods

About this ranking

People aged 25 and over who hold a regular high school diploma, a GED or alternative credential, or any higher level of education, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the adult population, not students: it is not the high school graduation rate of a class. Not comparable with the EU share below upper secondary education, which covers ages 25 to 64.

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 B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs (Counties in Arizona by high school graduate or higher, population 25 and over, 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Arizona by high school graduate or higher, population 25 and over, 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Counties in Arizona by high school graduate or higher, population 25 and over, 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Arizona by high school graduate or higher, population 25 and over, 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_arizona_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Arizona by high school graduate or higher, population 25 and over, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Arizona by high school graduate or higher, population 25 and over, 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat
L2  - https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/arizona-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Arizona by high school graduate or higher, population 25 and over using official data, and cite the source.
rank_places {"indicator":"high_school_graduate_share","level":"province","within":"Arizona","limit":10}
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Questions

Which county has the highest high school graduate or higher, population 25 and over?

Yavapai County, with 92.7% in 2024, according to the U.S. Census Bureau.

Which county has the lowest high school graduate or higher, population 25 and over?

Santa Cruz County, with 76.6% 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 B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

High school graduate or higher, population 25 and over: other rankings

Counties in Arizona: more rankings