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

Counties in New Hampshire by graduate or professional degree, population 25 and over, 2024

Grafton County had the highest graduate or professional degree, population 25 and over of 10 counties in 2024, at 24.6%. Coos County had the lowest, at 7%. The median was 15.2% and the figure for New Hampshire was 16.2%. Source: the U.S. Census Bureau.

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Highest24.6Grafton County
Lowest7Coos County
Median15.210 counties
New Hampshire16.2History

Map of counties, 2024

Belknap County: 13.1 %Carroll County: 16.6 %Cheshire County: 14 %Coos County: 7 %Grafton County: 24.6 %Hillsborough County: 16.1 %Merrimack County: 16.2 %Rockingham County: 17.2 %Strafford County: 14.2 %Sullivan County: 11.5 %
  • Under 13
  • 13 to 14
  • 14 to 16
  • 16 to 17
  • 17 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Grafton County: 24.6 %Grafton County24.6Rockingham County: 17.2 %Rockingham County17.2Carroll County: 16.6 %Carroll County16.6Merrimack County: 16.2 %Merrimack County16.2Hillsborough County: 16.1 %Hillsborough County16.1Strafford County: 14.2 %Strafford County14.2Cheshire County: 14 %Cheshire County14Belknap County: 13.1 %Belknap County13.1Sullivan County: 11.5 %Sullivan County11.5Coos County: 7 %Coos County7Grafton County: 24.6 %Grafton County24.6Rockingham County: 17.2 %Rockingham County17.2Carroll County: 16.6 %Carroll County16.6Merrimack County: 16.2 %Merrimack County16.2Hillsborough County: 16.1 %Hillsborough County16.1Strafford County: 14.2 %Strafford County14.2Cheshire County: 14 %Cheshire County14Belknap County: 13.1 %Belknap County13.1Sullivan County: 11.5 %Sullivan County11.5Coos County: 7 %Coos County7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Grafton County24.6+1.4 pts
2Rockingham County17.2+0.2 pts
3Carroll County16.60 pts
4Merrimack County16.2+0.3 pts
5Hillsborough County16.1+0.9 pts
6Strafford County14.20 pts
7Cheshire County14+0.2 pts
8Belknap County13.1-0.1 pts
9Sullivan County11.50 pts
10Coos County7-0.3 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/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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs (Counties in New Hampshire by graduate or professional degree, 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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs, Counties in New Hampshire by graduate or professional degree, 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/graduate-or-professional-degree/new-hampshire-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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. Counties in New Hampshire by graduate or professional degree, 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/graduate-or-professional-degree/new-hampshire-counties.

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 New Hampshire by graduate or professional degree, 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/graduate-or-professional-degree/new-hampshire-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_hampshire_2024,
  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 New Hampshire by graduate or professional degree, 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/graduate-or-professional-degree/new-hampshire-counties. 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/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 master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs: Counties in New Hampshire by graduate or professional degree, 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/graduate-or-professional-degree/new-hampshire-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/new-hampshire-counties.
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/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in New Hampshire 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":"New Hampshire","limit":10}
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Questions

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

Grafton County, with 24.6% in 2024, according to the U.S. Census Bureau.

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

Coos County, with 7% 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 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 New Hampshire: more rankings