RANKING · 2020 CENSUS · 20 SHOWN OF 20

Largest Czech population, New Hampshire cities · 2020

New Hampshire cities ranked by the number of residents who are Czech ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 20 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 20 is 43.

Czech Americans: full group profile →

New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Nashua, NHNH92,435457−4%

02Newmarket, NHNH5,679145–

03Manchester, NHNH116,818106−16%

04Rochester, NHNH33,71693+151%

05Concord, NHNH44,59771−28%

06Keene, NHNH23,07265−33%

07Hanover, NHNH8,47957+12%

08Portsmouth, NHNH23,02849−4%

09Lebanon, NHNH15,48145−31%

10Derry, NHNH21,33943+65%

11Dover, NHNH34,62339−41%

12Laconia, NHNH17,24637–

13Franklin, NHNH8,83933–

14Suncook, NHNH5,43228–

15Londonderry, NHNH12,22524–

16Claremont, NHNH13,03220−56%

17Durham, NHNH10,68117–

18Milford, NHNH8,95612−8%

19Somersworth, NHNH12,17111−48%

20Hampton, NHNH10,1017–

SHOWING 1–20 OF 20

Download CSV (full list, 20 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS