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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.84K people in Maryland with Australian ancestry (0.03% of Maryland population). Among all Maryland counties, Kent County had the highest percentage of its population with Australian ancestry (0.31%), followed by St. Mary's County (0.10%), and Queen Anne's County (0.09%).

The chart and table below shows the top 10 counties with high percentage of its population having Australian 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 Australian Ancestry in 2021
Kent County
St. Mary's County
Queen Anne's County
Harford County
Montgomery County
Frederick County
Howard County
Anne Arundel County
Baltimore County
Carroll County
Ranking of Maryland Counties By Percentage of Population with Australian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Kent County 0.31
2 St. Mary's County 0.10
3 Queen Anne's County 0.09
4 Harford County 0.06
4 Montgomery County 0.06
5 Frederick County 0.05
5 Howard County 0.05
6 Anne Arundel County 0.02
6 Baltimore County 0.02
6 Carroll County 0.02
6 Prince George's County 0.02
6 Baltimore city 0.02
7 Allegany County 0.01
7 Calvert County 0.01
7 Cecil County 0.01
7 Dorchester County 0.01
7 Washington County 0.01
7 Wicomico County 0.01