Ranking of New Hampshire Cities and Places 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 cities and places with a population of at least 10K, Laconia city had the highest percentage of its population with Czech ancestry (0.44%), followed by Nashua city (0.44%), and Rochester city (0.43%).

The chart and table below shows the top 10 cities 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 Cities and Places By Percentage of Population with Czech Ancestry in 2021
Laconia city
Nashua city
Rochester city
Lebanon city
Londonderry CDP
Keene city
Somersworth city
Portsmouth city
Durham CDP
Claremont city
Ranking of New Hampshire Cities and Places By Percentage of Population with Czech Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Laconia city 0.44
1 Nashua city 0.44
2 Rochester city 0.43
3 Lebanon city 0.33
4 Londonderry CDP 0.31
5 Keene city 0.29
6 Somersworth city 0.28
7 Portsmouth city 0.22
8 Durham CDP 0.15
9 Claremont city 0.14
10 Concord city 0.12
10 Derry CDP 0.12
11 Dover city 0.08