Ranking of Pennsylvania Counties By 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. Among all Pennsylvania counties, Allegheny County had the highest population with Polish ancestry (97.30K), followed by Luzerne County (59.48K), and Montgomery County (49.76K).

The chart and table below shows the top 10 counties with high number of people with 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 Population with Polish Ancestry in 2021
Allegheny County
Luzerne County
Montgomery County
Philadelphia County
Bucks County
Westmoreland County
Lackawanna County
Erie County
Chester County
Delaware County
Ranking of Pennsylvania Counties By Population with Polish Ancestry in 2021
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Rank County Population
1 Allegheny County 97295
2 Luzerne County 59484
3 Montgomery County 49760
4 Philadelphia County 48792
5 Bucks County 45301
6 Westmoreland County 33292
7 Lackawanna County 32136
8 Erie County 30119
9 Chester County 25796
10 Delaware County 21557
11 Berks County 21361
12 Washington County 18045
13 Butler County 16075
14 Lancaster County 15027
15 Lehigh County 15021
16 Cambria County 14456
17 Northampton County 14337
18 York County 14007
19 Schuylkill County 13955
20 Beaver County 12270
21 Monroe County 11075
22 Fayette County 10424
23 Cumberland County 9856
24 Northumberland County 8628
25 Centre County 7136
26 Dauphin County 7107
27 Lawrence County 6376
28 Mercer County 5782
29 Indiana County 5436
30 Blair County 5297
31 Somerset County 5208
32 Carbon County 4981
33 Crawford County 4818
34 Clearfield County 4601
35 Armstrong County 3953
36 Lycoming County 3941
37 Wayne County 3928
38 Columbia County 3707
39 Pike County 3435
40 Lebanon County 3406
41 Adams County 3396
42 Franklin County 3360
43 Susquehanna County 3219
44 Wyoming County 2888
45 Bradford County 2333
46 Greene County 2276
47 Venango County 2260
48 Tioga County 2199
49 Warren County 2108
50 Elk County 1788
51 Jefferson County 1756
52 McKean County 1657
53 Snyder County 1319
54 Perry County 1202
55 Huntingdon County 1066
56 Clinton County 1004
57 Bedford County 965
58 Mifflin County 931
59 Union County 839
60 Clarion County 836
61 Montour County 801
62 Potter County 691
63 Juniata County 489
64 Sullivan County 372
65 Forest County 328
66 Fulton County 243
67 Cameron County 120