Ranking of Maryland Counties By Population with British Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 39.65K people in Maryland with British ancestry. Among all Maryland counties, Montgomery County had the highest population with British ancestry (8.17K), followed by Anne Arundel County (4.97K), and Baltimore County (4.87K).

The chart and table below shows the top 10 counties with high number of people with British 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 British Ancestry in 2021
Montgomery County
Anne Arundel County
Baltimore County
Baltimore city
Howard County
Frederick County
Prince George's County
Harford County
Carroll County
St. Mary's County
Ranking of Maryland Counties By Population with British Ancestry in 2021
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Rank County Population
1 Montgomery County 8170
2 Anne Arundel County 4969
3 Baltimore County 4866
4 Baltimore city 2932
5 Howard County 2910
6 Frederick County 2457
7 Prince George's County 2115
8 Harford County 2001
9 Carroll County 1377
10 St. Mary's County 1230
11 Calvert County 924
12 Wicomico County 833
13 Queen Anne's County 831
14 Charles County 820
15 Washington County 680
16 Cecil County 468
17 Allegany County 450
18 Worcester County 409
19 Talbot County 327
20 Garrett County 255
21 Dorchester County 248
22 Kent County 205
23 Somerset County 105
24 Caroline County 70