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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 53.94K people in New Hampshire with Polish ancestry (3.93% of New Hampshire population). Among all New Hampshire counties, Rockingham County had the highest percentage of its population with Polish ancestry (4.59%), followed by Cheshire County (4.42%), and Sullivan County (4.20%).

The chart and table below shows the top 10 counties with high percentage of its population having Polish 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 Polish Ancestry in 2021
Rockingham County
Cheshire County
Sullivan County
Hillsborough County
Strafford County
Merrimack County
Carroll County
Grafton County
Belknap County
Coos County
Ranking of New Hampshire Counties By Percentage of Population with Polish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Rockingham County 4.59
2 Cheshire County 4.42
3 Sullivan County 4.20
4 Hillsborough County 4.02
5 Strafford County 3.80
6 Merrimack County 3.72
7 Carroll County 3.24
8 Grafton County 3.12
9 Belknap County 2.59
10 Coos County 2.31