Ranking of New Hampshire Counties By Black or African American Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the New Hampshire Black or African American Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 4,123. Among all New Hampshire counties, Hillsborough County had the highest Black or African American Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (2,045), followed by Rockingham County (746), and Strafford County (422).

The chart below shows the top 10 New Hampshire counties, and the table below shows the ranking of all New Hampshire counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

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

Ranking of New Hampshire Counties By Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Hillsborough County
Rockingham County
Strafford County
Coos County
Merrimack County
Grafton County
Cheshire County
Carroll County
Sullivan County
Belknap County
Ranking of New Hampshire Counties By Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Hillsborough County 2045
2 Rockingham County 746
3 Strafford County 422
4 Coos County 391
5 Merrimack County 280
6 Grafton County 159
7 Cheshire County 36
8 Carroll County 32
9 Sullivan County 12
10 Belknap County 0