Data / Rankings / Graduate or professional degree, population 25 and over / Counties in Arizona

Counties in Arizona by graduate or professional degree, population 25 and over

Coconino County had the highest graduate or professional degree, population 25 and over of 15 counties in 2023, at 16.2%. Greenlee County had the lowest, at 4.7%. The median was 7.2% and the figure for Arizona was 12.6%. Source: the U.S. Census Bureau.

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Highest16.2Coconino County
Lowest4.7Greenlee County
Median7.215 counties
Arizona12.6History

Map of counties, 2023

Apache County: 6.4 %Cochise County: 10.8 %Coconino County: 16.2 %Gila County: 6.4 %Graham County: 4.9 %Greenlee County: 4.7 %La Paz County: 5.1 %Maricopa County: 13.5 %Mohave County: 5.7 %Navajo County: 7.2 %Pima County: 15.5 %Pinal County: 7.2 %Santa Cruz County: 8.7 %Yavapai County: 12.3 %Yuma County: 6 %
  • Under 5.6
  • 5.6 to 6.4
  • 6.4 to 7.8
  • 7.8 to 13
  • 13 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Coconino County: 16.2 %Coconino County16.2Pima County: 15.5 %Pima County15.5Maricopa County: 13.5 %Maricopa County13.5Yavapai County: 12.3 %Yavapai County12.3Cochise County: 10.8 %Cochise County10.8Santa Cruz County: 8.7 %Santa Cruz County8.7Navajo County: 7.2 %Navajo County7.2Pinal County: 7.2 %Pinal County7.2Gila County: 6.4 %Gila County6.4Apache County: 6.4 %Apache County6.4Yuma County: 6 %Yuma County6Mohave County: 5.7 %Mohave County5.7La Paz County: 5.1 %La Paz County5.1Graham County: 4.9 %Graham County4.9Greenlee County: 4.7 %Greenlee County4.7Coconino County: 16.2 %Coconino County16.2Pima County: 15.5 %Pima County15.5Maricopa County: 13.5 %Maricopa County13.5Yavapai County: 12.3 %Yavapai County12.3Cochise County: 10.8 %Cochise County10.8Santa Cruz County: 8.7 %Santa Cruz County8.7Navajo County: 7.2 %Navajo County7.2Pinal County: 7.2 %Pinal County7.2Gila County: 6.4 %Gila County6.4Apache County: 6.4 %Apache County6.4Yuma County: 6 %Yuma County6Mohave County: 5.7 %Mohave County5.7La Paz County: 5.1 %La Paz County5.1Graham County: 4.9 %Graham County4.9Greenlee County: 4.7 %Greenlee County4.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Coconino County16.2-0 pts
2Pima County15.5+0.5 pts
3Maricopa County13.5+0.5 pts
4Yavapai County12.3+0.6 pts
5Cochise County10.8+0.7 pts
6Santa Cruz County8.7-0.8 pts
7Navajo County7.2-0 pts
8Pinal County7.2+0.2 pts
9Gila County6.4+0.2 pts
10Apache County6.4+0.8 pts
11Yuma County6+0.3 pts
12Mohave County5.7+0.2 pts
13La Paz County5.1+1 pts
14Graham County4.9-0.1 pts
15Greenlee County4.7+1.3 pts

Other periods

About this ranking

People aged 25 and over whose highest degree is a master's, professional school or doctorate degree, 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.

A subset of bachelors_degree_share, which also counts people whose highest degree is a bachelor's.

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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs (Counties in Arizona by graduate or professional degree, population 25 and over, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Arizona by graduate or professional degree, population 25 and over, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023. 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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. Counties in Arizona by graduate or professional degree, population 25 and over, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Arizona by graduate or professional degree, population 25 and over, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat, via Invokely: https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_arizona_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Arizona by graduate or professional degree, population 25 and over, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Arizona by graduate or professional degree, population 25 and over, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat
L2  - https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/arizona-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Arizona by graduate or professional degree, population 25 and over using official data, and cite the source.
rank_places {"indicator":"graduate_degree_share","level":"province","within":"Arizona","limit":10}
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Questions

Which county has the highest graduate or professional degree, population 25 and over?

Coconino County, with 16.2% in 2023, according to the U.S. Census Bureau.

Which county has the lowest graduate or professional degree, population 25 and over?

Greenlee County, with 4.7% 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 B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

Graduate or professional degree, population 25 and over: other rankings

Counties in Arizona: more rankings