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

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

Cumberland County had the highest graduate or professional degree, population 25 and over of 16 counties in 2022, at 20.4%. Somerset County had the lowest, at 5.5%. The median was 11.1% and the figure for Maine was 12.8%. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest20.4Cumberland County
Lowest5.5Somerset County
Median11.116 counties
Maine12.8History

Map of counties, 2022

Androscoggin County: 7.5 %Aroostook County: 6.8 %Cumberland County: 20.4 %Franklin County: 10 %Hancock County: 13.3 %Kennebec County: 11.3 %Knox County: 14.2 %Lincoln County: 15.4 %Oxford County: 7 %Penobscot County: 10.9 %Piscataquis County: 5.6 %Sagadahoc County: 16.3 %Somerset County: 5.5 %Waldo County: 13.2 %Washington County: 8.8 %York County: 12 %
  • Under 7
  • 7 to 10
  • 10 to 12
  • 12 to 14
  • 14 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Cumberland County: 20.4 %Cumberland County20.4Sagadahoc County: 16.3 %Sagadahoc County16.3Lincoln County: 15.4 %Lincoln County15.4Knox County: 14.2 %Knox County14.2Hancock County: 13.3 %Hancock County13.3Waldo County: 13.2 %Waldo County13.2York County: 12 %York County12Kennebec County: 11.3 %Kennebec County11.3Penobscot County: 10.9 %Penobscot County10.9Franklin County: 10 %Franklin County10Washington County: 8.8 %Washington County8.8Androscoggin County: 7.5 %Androscoggin County7.5Oxford County: 7 %Oxford County7Aroostook County: 6.8 %Aroostook County6.8Piscataquis County: 5.6 %Piscataquis County5.6Somerset County: 5.5 %Somerset County5.5Cumberland County: 20.4 %Cumberland County20.4Sagadahoc County: 16.3 %Sagadahoc County16.3Lincoln County: 15.4 %Lincoln County15.4Knox County: 14.2 %Knox County14.2Hancock County: 13.3 %Hancock County13.3Waldo County: 13.2 %Waldo County13.2York County: 12 %York County12Kennebec County: 11.3 %Kennebec County11.3Penobscot County: 10.9 %Penobscot County10.9Franklin County: 10 %Franklin County10Washington County: 8.8 %Washington County8.8Androscoggin County: 7.5 %Androscoggin County7.5Oxford County: 7 %Oxford County7Aroostook County: 6.8 %Aroostook County6.8Piscataquis County: 5.6 %Piscataquis County5.6Somerset County: 5.5 %Somerset County5.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Cumberland County20.4+0.8 pts
2Sagadahoc County16.3-0.2 pts
3Lincoln County15.4-0.1 pts
4Knox County14.2+0.1 pts
5Hancock County13.3-0.1 pts
6Waldo County13.2+0.5 pts
7York County120 pts
8Kennebec County11.3+0.4 pts
9Penobscot County10.9-0.6 pts
10Franklin County10-0.3 pts
11Washington County8.8+0.3 pts
12Androscoggin County7.5-0.1 pts
13Oxford County7+0.3 pts
14Aroostook County6.8+0.3 pts
15Piscataquis County5.60 pts
16Somerset County5.5+0.3 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Maine by graduate or professional degree, population 25 and over, 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Maine by graduate or professional degree, population 25 and over, 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022. 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 Maine by graduate or professional degree, population 25 and over, 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022.

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 Maine by graduate or professional degree, population 25 and over, 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat, via Invokely: https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2022,
  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 Maine by graduate or professional degree, population 25 and over, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022. 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Maine by graduate or professional degree, population 25 and over, 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat
L2  - https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/maine-counties?period=2022.
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/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Retrieved 2026-10-12.
ER  -
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Maine 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":"Maine","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=graduate_degree_share&level=province&within=Maine&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

Cumberland County, with 20.4% in 2022, according to the U.S. Census Bureau.

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

Somerset County, with 5.5% in 2022.

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 Maine: more rankings