Data / Rankings / Bachelor's degree or higher, population 25 and over / Counties in New Hampshire

Counties in New Hampshire by share of adults with a bachelor's degree

Grafton County had the highest share of adults with a bachelor's degree of 10 counties in 2023, at 44.8%. Coos County had the lowest, at 20.2%. The median was 38.3% and the figure for New Hampshire was 39.8%. Source: the U.S. Census Bureau.

Highest44.8Grafton County
Lowest20.2Coos County
Median38.310 counties
New Hampshire39.8History

All counties, 2023

CSVChart (SVG)

Grafton CountyGrafton County: 44.8 %44.8Rockingham CountyRockingham County: 44.8 %44.8Hillsborough CountyHillsborough County: 40.6 %40.6Carroll CountyCarroll County: 38.8 %38.8Strafford CountyStrafford County: 38.5 %38.5Merrimack CountyMerrimack County: 38.1 %38.1Cheshire CountyCheshire County: 35.3 %35.3Belknap CountyBelknap County: 32.6 %32.6Sullivan CountySullivan County: 30.5 %30.5Coos CountyCoos County: 20.2 %20.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Grafton County44.8+1.6 pts
2Rockingham County44.8+1.2 pts
3Hillsborough County40.6+0.4 pts
4Carroll County38.8+1.3 pts
5Strafford County38.5-0.2 pts
6Merrimack County38.1+1.3 pts
7Cheshire County35.3+1 pts
8Belknap County32.6+0.6 pts
9Sullivan County30.5+0.4 pts
10Coos County20.2-0.2 pts

Other periods

About this ranking

People aged 25 and over whose highest degree is a bachelor's, 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.

Excludes associate degrees and college without a degree. Not comparable with EU tertiary attainment, which includes short-cycle tertiary education and usually covers ages 25 to 64. Calculated from counts in ACS table B15003, which are stored as inputs.

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 bachelor's degree 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/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-09.

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Rank Counties in New Hampshire by share of adults with a bachelor's degree using official data, and cite the source.
rank_places {"indicator":"bachelors_degree_share","level":"province","within":"New Hampshire","limit":10}
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Questions

Which county has the highest share of adults with a bachelor's degree?

Grafton County, with 44.8% in 2023, according to the U.S. Census Bureau.

Which county has the lowest share of adults with a bachelor's degree?

Coos County, with 20.2% 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 bachelor's degree or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-09.

Bachelor's degree or higher, population 25 and over: other rankings

Counties in New Hampshire: more rankings