Ranking of Maryland Counties By Population with Welsh Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 34.55K people in Maryland with Welsh ancestry. Among all Maryland counties, Montgomery County had the highest population with Welsh ancestry (5.10K), followed by Baltimore County (4.91K), and Anne Arundel County (4.82K).

The chart and table below shows the top 10 counties with high number of people with Welsh ancestry.

You can see similar information for other states and for other ancestry groups in Maryland.

Data Source: US Census Bureau.
Ranking of Maryland Counties By Population with Welsh Ancestry in 2021
Montgomery County
Baltimore County
Anne Arundel County
Frederick County
Harford County
Howard County
Baltimore city
Carroll County
Cecil County
Prince George's County
Ranking of Maryland Counties By Population with Welsh Ancestry in 2021
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Rank County Population
1 Montgomery County 5103
2 Baltimore County 4905
3 Anne Arundel County 4815
4 Frederick County 2254
5 Harford County 2243
6 Howard County 1837
7 Baltimore city 1677
8 Carroll County 1426
9 Cecil County 1385
10 Prince George's County 1252
11 Allegany County 1124
12 Washington County 990
13 Wicomico County 920
14 Charles County 804
15 Talbot County 664
16 St. Mary's County 622
17 Calvert County 492
18 Worcester County 483
19 Queen Anne's County 464
20 Garrett County 320
21 Kent County 271
22 Dorchester County 190
23 Caroline County 175
24 Somerset County 129