Ranking of Maryland Counties By Percentage of Population with American Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 276.23K people in Maryland with American ancestry (4.49% of Maryland population). Among all Maryland counties, Somerset County had the highest percentage of its population with American ancestry (24.67%), followed by Dorchester County (14.89%), and Carroll County (12.16%).
The chart and table below shows the top 10 counties with high percentage of its population having American 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 American Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Somerset County | 24.67 |
| 2 | Dorchester County | 14.89 |
| 3 | Carroll County | 12.16 |
| 4 | Caroline County | 11.14 |
| 5 | Wicomico County | 7.49 |
| 6 | Kent County | 7.28 |
| 7 | St. Mary's County | 6.98 |
| 8 | Worcester County | 6.53 |
| 9 | Allegany County | 6.52 |
| 10 | Talbot County | 6.23 |
| 11 | Cecil County | 6.14 |
| 12 | Calvert County | 6.01 |
| 13 | Washington County | 5.89 |
| 14 | Harford County | 5.64 |
| 15 | Queen Anne's County | 5.39 |
| 16 | Garrett County | 5.34 |
| 17 | Frederick County | 5.20 |
| 18 | Anne Arundel County | 4.55 |
| 19 | Baltimore County | 4.31 |
| 20 | Charles County | 4.13 |
| 21 | Howard County | 3.50 |
| 22 | Montgomery County | 3.08 |
| 23 | Prince George's County | 3.01 |
| 24 | Baltimore city | 2.81 |