Ranking of Maryland Counties By 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. Among all Maryland counties, Baltimore County had the highest population with American ancestry (36.70K), followed by Montgomery County (32.58K), and Prince George's County (28.82K).
The chart and table below shows the top 10 counties with high number of people with 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 Population with American Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Baltimore County | 36696 |
| 2 | Montgomery County | 32579 |
| 3 | Prince George's County | 28817 |
| 4 | Anne Arundel County | 26567 |
| 5 | Carroll County | 20937 |
| 6 | Baltimore city | 16614 |
| 7 | Harford County | 14620 |
| 8 | Frederick County | 13912 |
| 9 | Howard County | 11529 |
| 10 | Washington County | 9065 |
| 11 | St. Mary's County | 7907 |
| 12 | Wicomico County | 7727 |
| 13 | Charles County | 6827 |
| 14 | Cecil County | 6344 |
| 15 | Somerset County | 6127 |
| 16 | Calvert County | 5559 |
| 17 | Dorchester County | 4837 |
| 18 | Allegany County | 4479 |
| 19 | Caroline County | 3702 |
| 20 | Worcester County | 3416 |
| 21 | Queen Anne's County | 2678 |
| 22 | Talbot County | 2337 |
| 23 | Garrett County | 1545 |
| 24 | Kent County | 1407 |