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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 6.20K people in Maryland with Canadian ancestry (0.10% of Maryland population). Among all Maryland counties, Somerset County had the highest percentage of its population with Canadian ancestry (0.23%), followed by Calvert County (0.22%), and Harford County (0.22%).

The chart and table below shows the top 10 counties with high percentage of its population having Canadian 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 Canadian Ancestry in 2021
Somerset County
Calvert County
Harford County
Frederick County
Garrett County
Talbot County
Montgomery County
Queen Anne's County
Howard County
Anne Arundel County
Ranking of Maryland Counties By Percentage of Population with Canadian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Somerset County 0.23
2 Calvert County 0.22
2 Harford County 0.22
3 Frederick County 0.18
4 Garrett County 0.16
4 Talbot County 0.16
5 Montgomery County 0.15
5 Queen Anne's County 0.15
6 Howard County 0.14
7 Anne Arundel County 0.12
8 Baltimore County 0.09
8 Cecil County 0.09
8 Dorchester County 0.09
9 Carroll County 0.08
9 Worcester County 0.08
10 St. Mary's County 0.07
11 Baltimore city 0.06
12 Allegany County 0.04
12 Prince George's County 0.04
12 Washington County 0.04
13 Caroline County 0.02
13 Charles County 0.02
13 Wicomico County 0.02