Ranking of New Hampshire Cities and Places By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of New Hampshire (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 27.31%. Among all New Hampshire cities and places with a population of 10K or higher, Claremont city had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (45.29%), followed by Rochester city (34.59%), and Derry CDP (32.01%).

The chart below shows the top 10 New Hampshire cities and places (with a population of 10K+), and the table below shows the ranking of all New Hampshire cities and places (with a population of 10K+).

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of New Hampshire Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Claremont city
Rochester city
Derry CDP
Laconia city
Manchester city
Somersworth city
Concord city
Londonderry CDP
Keene city
Nashua city
Ranking of New Hampshire Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Claremont city 45.29
2 Rochester city 34.59
3 Derry CDP 32.01
4 Laconia city 30.37
5 Manchester city 28.77
6 Somersworth city 27.81
7 Concord city 27.61
8 Londonderry CDP 25.61
9 Keene city 24.98
10 Nashua city 24.50
11 Dover city 20.33
12 Lebanon city 20.06
13 Portsmouth city 16.15
14 Durham CDP 6.82