Ranking of Pennsylvania Counties By Percentage of Population with Polish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 757.63K people in Pennsylvania with Polish ancestry (5.84% of Pennsylvania population). Among all Pennsylvania counties, Luzerne County had the highest percentage of its population with Polish ancestry (18.31%), followed by Lackawanna County (14.91%), and Erie County (11.08%).

The chart and table below shows the top 10 counties with high percentage of its population having Polish 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 Percentage of Population with Polish Ancestry in 2021
Luzerne County
Lackawanna County
Erie County
Wyoming County
Cambria County
Schuylkill County
Northumberland County
Westmoreland County
Washington County
Butler County
Ranking of Pennsylvania Counties By Percentage of Population with Polish Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Luzerne County 18.31
2 Lackawanna County 14.91
3 Erie County 11.08
4 Wyoming County 10.94
5 Cambria County 10.78
6 Schuylkill County 9.74
7 Northumberland County 9.39
8 Westmoreland County 9.38
9 Washington County 8.63
10 Butler County 8.35
11 Susquehanna County 8.28
12 Fayette County 8.05
13 Allegheny County 7.81
14 Carbon County 7.69
15 Wayne County 7.67
16 Lawrence County 7.39
17 Beaver County 7.29
18 Bucks County 7.04
19 Somerset County 7.01
20 Monroe County 6.59
21 Indiana County 6.50
22 Greene County 6.28
23 Sullivan County 6.27
24 Armstrong County 5.99
25 Pike County 5.89
26 Montgomery County 5.85
27 Elk County 5.76
28 Clearfield County 5.70
28 Columbia County 5.70
28 Crawford County 5.70
29 Warren County 5.43
30 Tioga County 5.35
31 Mercer County 5.20
32 Berks County 5.00
33 Chester County 4.85
34 Forest County 4.61
34 Northampton County 4.61
35 Centre County 4.49
36 Venango County 4.45
37 Montour County 4.40
38 Blair County 4.30
39 Potter County 4.19
40 McKean County 4.08
41 Lehigh County 4.03
42 Jefferson County 3.95
43 Bradford County 3.87
44 Cumberland County 3.83
45 Delaware County 3.76
46 Lycoming County 3.45
47 Snyder County 3.31
48 Adams County 3.27
49 York County 3.08
50 Philadelphia County 3.06
51 Lancaster County 2.73
52 Clinton County 2.65
53 Perry County 2.62
54 Cameron County 2.61
55 Dauphin County 2.50
56 Huntingdon County 2.40
57 Lebanon County 2.39
58 Clarion County 2.23
59 Franklin County 2.16
60 Juniata County 2.07
61 Bedford County 2.02
61 Mifflin County 2.02
62 Union County 1.95
63 Fulton County 1.67