RANKING · 2020 CENSUS · 24 SHOWN OF 24

Largest Welsh population, Maryland counties · 2020

Maryland counties ranked by the number of residents who are Welsh 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.

Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Montgomery County, MDMD1,074,5825,240−13%

02Baltimore County, MDMD847,6505,122−17%

03Anne Arundel County, MDMD603,3804,809−18%

04Frederick County, MDMD302,8832,442−2%

05Harford County, MDMD266,4462,214−20%

06Howard County, MDMD339,1832,059−16%

07Baltimore, MDMD569,9971,700−14%

08Carroll County, MDMD176,6771,463−29%

09Cecil County, MDMD107,1311,353−18%

10Prince George's County, MDMD970,3741,119−40%

11Washington County, MDMD157,7311,107+11%

12Allegany County, MDMD66,8481,095−26%

13Wicomico County, MDMD106,899985+32%

14Charles County, MDMD176,593870+10%

15St. Mary's County, MDMD116,692684−8%

16Talbot County, MDMD38,238522+24%

17Worcester County, MDMD54,459510−4%

18Calvert County, MDMD94,484467−54%

19Garrett County, MDMD28,370373−7%

20Queen Anne's County, MDMD54,448350−37%

21Kent County, MDMD19,565304+38%

22Caroline County, MDMD34,116202−38%

23Dorchester County, MDMD33,628181−26%

24Somerset County, MDMD24,973105−50%

SHOWING 1–24 OF 24

Download CSV (full list, 24 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS