Ranking of Maryland Counties By Percentage of Population with European Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 96.25K people in Maryland with European ancestry (1.57% of Maryland population). Among all Maryland counties, Calvert County had the highest percentage of its population with European ancestry (3.11%), followed by Cecil County (2.88%), and St. Mary's County (2.51%).

The chart and table below shows the top 10 counties with high percentage of its population having European 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 European Ancestry in 2021
Calvert County
Cecil County
St. Mary's County
Garrett County
Carroll County
Queen Anne's County
Anne Arundel County
Frederick County
Montgomery County
Howard County
Ranking of Maryland Counties By Percentage of Population with European Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Calvert County 3.11
2 Cecil County 2.88
3 St. Mary's County 2.51
4 Garrett County 2.35
5 Carroll County 2.15
6 Queen Anne's County 2.13
7 Anne Arundel County 2.04
7 Frederick County 2.04
7 Montgomery County 2.04
8 Howard County 2.02
9 Harford County 1.70
10 Worcester County 1.60
11 Baltimore County 1.52
12 Washington County 1.46
13 Talbot County 1.40
14 Wicomico County 1.36
15 Charles County 1.34
16 Caroline County 1.23
17 Allegany County 1.14
18 Kent County 0.89
19 Dorchester County 0.83
20 Baltimore city 0.79
21 Somerset County 0.64
22 Prince George's County 0.58