RANKING · 2020 CENSUS · 24 SHOWN OF 24

Largest Czech population, Maryland counties · 2020

Maryland counties 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 24 counties in Maryland that qualify, ranked against each other statewide. The median across all 24 is 340.

Czech Americans: full group profile →

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SAME RANKING BYCities 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

01Baltimore County, MDMD847,6503,251−42%

02Anne Arundel County, MDMD603,3802,496−11%

03Montgomery County, MDMD1,074,5822,482−25%

04Harford County, MDMD266,4461,615−28%

05Baltimore, MDMD569,9971,083−35%

06Howard County, MDMD339,1831,038−33%

07Frederick County, MDMD302,883731−30%

08Prince George's County, MDMD970,374717−9%

09Carroll County, MDMD176,677589−50%

10St. Mary's County, MDMD116,692531−12%

11Cecil County, MDMD107,131487−8%

12Worcester County, MDMD54,459340+134%

13Calvert County, MDMD94,484330+11%

14Washington County, MDMD157,731292−24%

15Charles County, MDMD176,593263+11%

16Talbot County, MDMD38,238212+5%

17Queen Anne's County, MDMD54,448196−52%

18Wicomico County, MDMD106,899168−39%

19Allegany County, MDMD66,848122−12%

20Caroline County, MDMD34,11687−56%

21Garrett County, MDMD28,37076+27%

22Dorchester County, MDMD33,62853−48%

23Kent County, MDMD19,56544−62%

24Somerset County, MDMD24,97337−63%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

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