Ranking of Maryland Counties By Percentage of 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 (0.65% of Maryland population). Among all Maryland counties, Queen Anne's County had the highest percentage of its population with British ancestry (1.67%), followed by St. Mary's County (1.09%), and Kent County (1.06%).
The chart and table below shows the top 10 counties with high percentage of its population having British ancestry.
You can see similar information for other states and for other ancestry groups in Maryland.
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Related Topics: Maryland ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Maryland Counties By Percentage of Population with British Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Queen Anne's County | 1.67 |
| 2 | St. Mary's County | 1.09 |
| 3 | Kent County | 1.06 |
| 4 | Calvert County | 1.00 |
| 5 | Frederick County | 0.92 |
| 6 | Garrett County | 0.88 |
| 6 | Howard County | 0.88 |
| 7 | Talbot County | 0.87 |
| 8 | Anne Arundel County | 0.85 |
| 9 | Wicomico County | 0.81 |
| 10 | Carroll County | 0.80 |
| 11 | Worcester County | 0.78 |
| 12 | Harford County | 0.77 |
| 12 | Montgomery County | 0.77 |
| 13 | Dorchester County | 0.76 |
| 14 | Allegany County | 0.66 |
| 15 | Baltimore County | 0.57 |
| 16 | Charles County | 0.50 |
| 16 | Baltimore city | 0.50 |
| 17 | Cecil County | 0.45 |
| 18 | Washington County | 0.44 |
| 19 | Somerset County | 0.42 |
| 20 | Prince George's County | 0.22 |
| 21 | Caroline County | 0.21 |