Ranking of Massachusetts 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 2.25K people in Massachusetts with Australian ancestry (0.03% of Massachusetts population). Among all Massachusetts counties, Barnstable County had the highest percentage of its population with Australian ancestry (0.10%), followed by Norfolk County (0.06%), and Middlesex County (0.04%).

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 Massachusetts.

Data Source: US Census Bureau.
Ranking of Massachusetts Counties By Percentage of Population with Australian Ancestry in 2021
Barnstable County
Norfolk County
Middlesex County
Suffolk County
Worcester County
Franklin County
Hampden County
Hampshire County
Plymouth County
Essex County
Ranking of Massachusetts Counties By Percentage of Population with Australian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Barnstable County 0.10
2 Norfolk County 0.06
3 Middlesex County 0.04
3 Suffolk County 0.04
3 Worcester County 0.04
4 Franklin County 0.03
5 Hampden County 0.02
5 Hampshire County 0.02
5 Plymouth County 0.02
6 Essex County 0.01
7 Bristol County 0.004
8 Berkshire County 0.002