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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 68.72K people in Pennsylvania with Swiss ancestry (0.53% of Pennsylvania population). Among all Pennsylvania counties, Lancaster County had the highest percentage of its population with Swiss ancestry (3.30%), followed by Juniata County (2.14%), and Lebanon County (1.83%).

The chart and table below shows the top 10 counties with high percentage of its population having Swiss 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 Swiss Ancestry in 2021
Lancaster County
Juniata County
Lebanon County
Snyder County
Franklin County
Mifflin County
Perry County
Union County
Somerset County
Elk County
Ranking of Pennsylvania Counties By Percentage of Population with Swiss Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Lancaster County 3.30
2 Juniata County 2.14
3 Lebanon County 1.83
3 Snyder County 1.83
4 Franklin County 1.56
5 Mifflin County 1.47
6 Perry County 1.42
6 Union County 1.42
7 Somerset County 1.30
8 Elk County 0.93
9 Crawford County 0.91
10 Warren County 0.85
11 Clarion County 0.84
12 Bedford County 0.81
12 Berks County 0.81
13 Cameron County 0.76
14 Blair County 0.75
15 Tioga County 0.72
16 Cumberland County 0.71
17 Centre County 0.64
18 York County 0.61
19 Potter County 0.60
20 Adams County 0.58
21 Lycoming County 0.55
22 Dauphin County 0.54
23 Clinton County 0.52
24 Chester County 0.50
24 Schuylkill County 0.50
25 Huntingdon County 0.49
26 Bucks County 0.48
26 Montour County 0.48
27 Pike County 0.42
28 Erie County 0.41
29 Jefferson County 0.40
30 Indiana County 0.37
31 Butler County 0.34
31 Mercer County 0.34
32 Bradford County 0.33
32 Montgomery County 0.33
32 Wayne County 0.33
33 Northumberland County 0.32
34 Allegheny County 0.30
34 Forest County 0.30
34 Sullivan County 0.30
35 Columbia County 0.27
35 McKean County 0.27
35 Northampton County 0.27
36 Lehigh County 0.25
37 Fayette County 0.24
37 Fulton County 0.24
37 Susquehanna County 0.24
38 Lackawanna County 0.22
39 Delaware County 0.20
40 Greene County 0.19
40 Luzerne County 0.19
40 Washington County 0.19
41 Armstrong County 0.18
41 Carbon County 0.18
41 Westmoreland County 0.18
42 Clearfield County 0.17
43 Cambria County 0.16
43 Venango County 0.16
44 Lawrence County 0.15
45 Philadelphia County 0.13
46 Beaver County 0.12
47 Wyoming County 0.11
48 Monroe County 0.10