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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 574.14K people in Pennsylvania with American ancestry (4.43% of Pennsylvania population). Among all Pennsylvania counties, Tioga County had the highest percentage of its population with American ancestry (19.97%), followed by Juniata County (13.12%), and Franklin County (13.00%).

The chart and table below shows the top 10 counties with high percentage of its population having American 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 American Ancestry in 2021
Tioga County
Juniata County
Franklin County
Fulton County
Mifflin County
Potter County
Perry County
Adams County
Cameron County
Wayne County
Ranking of Pennsylvania Counties By Percentage of Population with American Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Tioga County 19.97
2 Juniata County 13.12
3 Franklin County 13.00
4 Fulton County 12.21
5 Mifflin County 11.72
6 Potter County 11.00
7 Perry County 9.83
8 Adams County 9.67
9 Cameron County 9.62
10 Wayne County 8.77
11 Snyder County 8.19
12 Huntingdon County 7.83
13 Bedford County 7.70
14 Clinton County 7.52
15 Northampton County 7.37
16 York County 7.28
17 Bradford County 6.91
18 McKean County 6.85
19 Mercer County 6.81
20 Greene County 6.74
21 Lycoming County 6.13
22 Dauphin County 5.99
23 Lancaster County 5.95
24 Union County 5.84
25 Clearfield County 5.82
25 Venango County 5.82
26 Crawford County 5.75
27 Carbon County 5.35
28 Cumberland County 5.31
29 Warren County 5.21
30 Lebanon County 5.20
31 Jefferson County 5.14
31 Wyoming County 5.14
32 Blair County 5.11
33 Centre County 4.92
34 Fayette County 4.89
35 Monroe County 4.88
36 Clarion County 4.87
37 Northumberland County 4.77
38 Somerset County 4.74
39 Susquehanna County 4.62
40 Bucks County 4.40
41 Cambria County 4.37
42 Butler County 4.28
43 Indiana County 4.17
44 Columbia County 4.16
45 Montour County 4.13
46 Montgomery County 4.11
47 Armstrong County 3.98
48 Forest County 3.97
49 Westmoreland County 3.93
50 Elk County 3.90
51 Pike County 3.85
52 Lackawanna County 3.62
53 Berks County 3.54
54 Schuylkill County 3.50
55 Sullivan County 3.47
56 Erie County 3.41
57 Beaver County 3.38
58 Lawrence County 3.30
59 Chester County 3.23
60 Lehigh County 3.22
61 Washington County 3.08
62 Delaware County 2.89
63 Luzerne County 2.83
64 Allegheny County 2.76
65 Philadelphia County 2.47