Ranking of Maryland Counties By Percentage of Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.40M people in Maryland with Other Groups ancestry (38.95% of Maryland population). Among all Maryland counties, Prince George's County had the highest percentage of its population with Other Groups ancestry (62.21%), followed by Baltimore city (55.48%), and Charles County (46.61%).

The chart and table below shows the top 10 counties with high percentage of its population having Other Groups 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 Percentage of Population with Other Groups Ancestry in 2021
Prince George's County
Baltimore city
Charles County
Montgomery County
Howard County
Somerset County
Baltimore County
Dorchester County
Wicomico County
Caroline County
Ranking of Maryland Counties By Percentage of Population with Other Groups Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Prince George's County 62.21
2 Baltimore city 55.48
3 Charles County 46.61
4 Montgomery County 43.56
5 Howard County 38.86
6 Somerset County 35.63
7 Baltimore County 34.25
8 Dorchester County 33.83
9 Wicomico County 32.54
10 Caroline County 26.78
11 Anne Arundel County 26.51
12 Kent County 25.57
13 St. Mary's County 25.36
14 Frederick County 24.15
15 Harford County 22.81
16 Talbot County 22.52
17 Washington County 21.78
18 Calvert County 20.91
19 Cecil County 19.39
20 Worcester County 18.63
21 Allegany County 17.90
22 Queen Anne's County 17.70
23 Carroll County 14.04
24 Garrett County 8.58