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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 12.49K people in Maryland with Portuguese ancestry (0.20% of Maryland population). Among all Maryland counties, Garrett County had the highest percentage of its population with Portuguese ancestry (0.48%), followed by Montgomery County (0.37%), and Washington County (0.34%).

The chart and table below shows the top 10 counties with high percentage of its population having Portuguese 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 Portuguese Ancestry in 2021
Garrett County
Montgomery County
Washington County
Carroll County
Frederick County
Talbot County
Anne Arundel County
Howard County
Cecil County
Wicomico County
Ranking of Maryland Counties By Percentage of Population with Portuguese Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Garrett County 0.48
2 Montgomery County 0.37
3 Washington County 0.34
4 Carroll County 0.29
5 Frederick County 0.28
5 Talbot County 0.28
6 Anne Arundel County 0.27
6 Howard County 0.27
7 Cecil County 0.24
7 Wicomico County 0.24
8 St. Mary's County 0.23
9 Queen Anne's County 0.16
10 Baltimore city 0.13
11 Baltimore County 0.12
11 Charles County 0.12
12 Harford County 0.11
13 Calvert County 0.10
14 Prince George's County 0.09
15 Allegany County 0.07
16 Dorchester County 0.05
17 Somerset County 0.04
18 Caroline County 0.02