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

Based on the US Census ACS-5Yrs estimates, in 2021, the population of New Hampshire (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 269,342. Among all New Hampshire counties, Hillsborough County had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (76,529), followed by Rockingham County (57,660), and Merrimack County (31,996).

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.

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