RANKING · 2020 CENSUS · 20 SHOWN OF 20

Highest Czech population share, New Hampshire cities · 2020

New Hampshire cities ranked by the share of all residents who are Czech ancestry (2020 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 20 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 20 is 0.2%.

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 SHAREVS 2010

01Newmarket, NHNH5,6792.5%–

02Hanover, NHNH8,4790.7%+0.1 pts

03Suncook, NHNH5,4320.6%–

04Nashua, NHNH92,4350.5%0.0 pts

05Franklin, NHNH8,8390.4%–

06Lebanon, NHNH15,4810.3%−0.2 pts

07Rochester, NHNH33,7160.3%+0.2 pts

08Keene, NHNH23,0720.3%−0.1 pts

09Portsmouth, NHNH23,0280.2%0.0 pts

10Laconia, NHNH17,2460.2%–

11Londonderry, NHNH12,2250.2%–

12Derry, NHNH21,3390.2%+0.1 pts

13Concord, NHNH44,5970.2%−0.1 pts

14Claremont, NHNH13,0320.2%−0.2 pts

15Durham, NHNH10,6810.1%–

16Milford, NHNH8,9560.1%0.0 pts

17Dover, NHNH34,6230.1%−0.1 pts

18Manchester, NHNH116,8180.1%0.0 pts

19Somersworth, NHNH12,1710.1%−0.1 pts

20Hampton, NHNH10,1010.1%–

SHOWING 1–20 OF 20

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