Ranking of New Hampshire Counties By Percentage of 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 (0.22% of New Hampshire population). Among all New Hampshire counties, Sullivan County had the highest percentage of its population with Czech ancestry (0.36%), followed by Grafton County (0.34%), and Carroll County (0.27%).

The chart and table below shows the top 10 counties with high percentage of its population having 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 Percentage of Population with Czech Ancestry in 2021
Sullivan County
Grafton County
Carroll County
Merrimack County
Hillsborough County
Strafford County
Belknap County
Rockingham County
Cheshire County
Coos County
Ranking of New Hampshire Counties By Percentage of Population with Czech Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Sullivan County 0.36
2 Grafton County 0.34
3 Carroll County 0.27
4 Merrimack County 0.24
5 Hillsborough County 0.23
6 Strafford County 0.22
7 Belknap County 0.19
8 Rockingham County 0.18
9 Cheshire County 0.13
10 Coos County 0.07