Ranking of New Hampshire Counties By Non-Hispanic White Population in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all New Hampshire counties, Hillsborough County had the highest number of people who identified their ethnicity as Non-Hispanic White (348.71K), followed by Rockingham County (284.87K), and Merrimack County (139.31K).

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

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of New Hampshire Counties By Non-Hispanic White Population in 2018
Hillsborough
Rockingham
Merrimack
Strafford
Grafton
Cheshire
Belknap
Carroll
Sullivan
Coos
Ranking of New Hampshire Counties By Non-Hispanic White Population in 2018
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Rank County Non-Hispanic White Population
1 Hillsborough County 348714
2 Rockingham County 284868
3 Merrimack County 139305
4 Strafford County 117529
5 Grafton County 81589
6 Cheshire County 71414
7 Belknap County 58190
8 Carroll County 46598
9 Sullivan County 40950
10 Coos County 29884