Ranking of New Hampshire Counties By Population with Czech Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.02K people in New Hampshire with Czech ancestry. Among all New Hampshire counties, Hillsborough County had the highest population with Czech ancestry (979), followed by Rockingham County (563), and Merrimack County (359).

The chart and table below shows the top 10 counties with high number of people with Czech 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 Population with Czech Ancestry in 2021
Hillsborough County
Rockingham County
Merrimack County
Grafton County
Strafford County
Sullivan County
Carroll County
Belknap County
Cheshire County
Coos County
Ranking of New Hampshire Counties By Population with Czech Ancestry in 2021
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Rank County Population
1 Hillsborough County 979
2 Rockingham County 563
3 Merrimack County 359
4 Grafton County 306
5 Strafford County 286
6 Sullivan County 153
7 Carroll County 133
8 Belknap County 118
9 Cheshire County 101
10 Coos County 23