Ranking of Pennsylvania 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 2.67K people in Pennsylvania with Australian ancestry. Among all Pennsylvania counties, Allegheny County had the highest population with Australian ancestry (514), followed by Philadelphia County (301), and Chester County (297).

The chart and table below shows the top 10 counties with high number of people with Australian ancestry.

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

Data Source: US Census Bureau.
Ranking of Pennsylvania Counties By Population with Australian Ancestry in 2021
Allegheny County
Philadelphia County
Chester County
York County
Lancaster County
Lehigh County
Montgomery County
Northampton County
Lackawanna County
Delaware County
Ranking of Pennsylvania Counties By Population with Australian Ancestry in 2021
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Rank County Population
1 Allegheny County 514
2 Philadelphia County 301
3 Chester County 297
4 York County 129
5 Lancaster County 114
5 Lehigh County 114
6 Montgomery County 113
7 Northampton County 104
8 Lackawanna County 99
9 Delaware County 90
10 Erie County 86
11 Columbia County 71
12 Dauphin County 68
13 Cumberland County 65
14 Butler County 60
15 Washington County 49
16 Luzerne County 46
17 Westmoreland County 42
18 Berks County 39
19 Beaver County 38
19 Elk County 38
20 Fulton County 35
21 Bucks County 21
22 Fayette County 17
23 Mercer County 15
24 Cambria County 12
24 Schuylkill County 12
25 Bradford County 10
26 Lebanon County 9
27 Crawford County 8
27 Jefferson County 8
28 Centre County 6
28 Lawrence County 6
28 Lycoming County 6
28 Snyder County 6
28 Venango County 6
29 Somerset County 5
30 Clearfield County 3
30 Wyoming County 3
31 Greene County 2