RANKING · 2024 ACS · 18 SHOWN OF 18

Highest Czech population share, New Hampshire cities

New Hampshire cities ranked by the share of all residents who are Czech ancestry (2024 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 18 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 18 is 0.2%. Biggest climber in the top 100 since 2020: Milford, NH, up 11 places to #5.

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, NHNH5,6790.5%–

02▲4Lebanon, NHNH15,4810.5%0.0 pts

03▼1Hanover, NHNH8,4790.4%−0.2 pts

04▲3Rochester, NHNH33,7160.4%+0.3 pts

05▲11Milford, NHNH8,9560.4%+0.3 pts

06▲9Durham, NHNH10,6810.4%–

07Hooksett, NHNH5,8760.4%–

08▲5Concord, NHNH44,5970.2%0.0 pts

09▲10Somersworth, NHNH12,1710.2%0.0 pts

10▼6Nashua, NHNH92,4350.2%−0.3 pts

11▼1Laconia, NHNH17,2460.2%–

12▼4Keene, NHNH23,0720.2%−0.3 pts

13▼4Portsmouth, NHNH23,0280.1%−0.1 pts

14▲6Hampton, NHNH10,1010.1%–

15▼10Franklin, NHNH8,8390.1%–

16▼5Londonderry, NHNH12,2250.1%–

17▲1Manchester, NHNH116,8180.1%0.0 pts

18▼1Dover, NHNH34,6230.1%−0.2 pts

SHOWING 1–18 OF 18

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES