Ranking of New Hampshire Counties By Percentage of Population with Portuguese Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 19.01K people in New Hampshire with Portuguese ancestry (1.39% of New Hampshire population). Among all New Hampshire counties, Rockingham County had the highest percentage of its population with Portuguese ancestry (2.01%), followed by Hillsborough County (1.61%), and Carroll County (1.59%).

The chart and table below shows the top 10 counties with high percentage of its population having Portuguese ancestry.

You can see similar information for other states and for other ancestry groups in New Hampshire.

Data Source: US Census Bureau.
Ranking of New Hampshire Counties By Percentage of Population with Portuguese Ancestry in 2021
Rockingham County
Hillsborough County
Carroll County
Grafton County
Coos County
Strafford County
Merrimack County
Belknap County
Cheshire County
Sullivan County
Ranking of New Hampshire Counties By Percentage of Population with Portuguese Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Rockingham County 2.01
2 Hillsborough County 1.61
3 Carroll County 1.59
4 Grafton County 1.32
5 Coos County 0.98
6 Strafford County 0.87
7 Merrimack County 0.83
8 Belknap County 0.78
9 Cheshire County 0.76
10 Sullivan County 0.50