Ranking of New Hampshire Counties By Population with Australian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 338 people in New Hampshire with Australian ancestry. Among all New Hampshire counties, Rockingham County had the highest population with Australian ancestry (112), followed by Grafton County (90), and Hillsborough County (68).

The chart and table below shows the top 8 counties with high number of people with Australian ancestry.

You can see similar information for other states and for other ancestry groups in New Hampshire.

Data Source: US Census Bureau.
Ranking of New Hampshire Counties By Population with Australian Ancestry in 2021
Rockingham County
Grafton County
Hillsborough County
Strafford County
Belknap County
Merrimack County
Cheshire County
Coos County
Ranking of New Hampshire Counties By Population with Australian Ancestry in 2021
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Rank County Population
1 Rockingham County 112
2 Grafton County 90
3 Hillsborough County 68
4 Strafford County 32
5 Belknap County 27
6 Merrimack County 4
7 Cheshire County 3
8 Coos County 2