Ranking of Maryland Counties By Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 39.33K people in Maryland with Scotch Irish ancestry. Among all Maryland counties, Montgomery County had the highest population with Scotch Irish ancestry (6.98K), followed by Anne Arundel County (5.74K), and Baltimore County (4.87K).

The chart and table below shows the top 10 counties with high number of people with Scotch Irish 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 Population with Scotch Irish Ancestry in 2021
Montgomery County
Anne Arundel County
Baltimore County
Howard County
Frederick County
Baltimore city
Harford County
Prince George's County
Carroll County
Washington County
Ranking of Maryland Counties By Population with Scotch Irish Ancestry in 2021
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Rank County Population
1 Montgomery County 6975
2 Anne Arundel County 5742
3 Baltimore County 4869
4 Howard County 2724
5 Frederick County 2641
6 Baltimore city 2125
7 Harford County 1961
8 Prince George's County 1789
9 Carroll County 1634
10 Washington County 1335
11 Cecil County 985
12 St. Mary's County 982
13 Calvert County 908
14 Wicomico County 834
15 Charles County 758
16 Allegany County 528
17 Talbot County 496
18 Queen Anne's County 467
19 Worcester County 421
20 Caroline County 295
21 Garrett County 294
22 Dorchester County 291
23 Kent County 172
24 Somerset County 107