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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 12.98K people in Pennsylvania with Slavic ancestry (0.10% of Pennsylvania population). Among all Pennsylvania counties, Greene County had the highest percentage of its population with Slavic ancestry (0.54%), followed by Montour County (0.40%), and Jefferson County (0.38%).

The chart and table below shows the top 10 counties with high percentage of its population having Slavic 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 Slavic Ancestry in 2021
Greene County
Montour County
Jefferson County
Cambria County
Somerset County
Westmoreland County
Cameron County
Carbon County
Crawford County
Schuylkill County
Ranking of Pennsylvania Counties By Percentage of Population with Slavic Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Greene County 0.54
2 Montour County 0.40
3 Jefferson County 0.38
4 Cambria County 0.32
5 Somerset County 0.29
5 Westmoreland County 0.29
6 Cameron County 0.26
7 Carbon County 0.24
7 Crawford County 0.24
8 Schuylkill County 0.23
9 Clearfield County 0.21
10 Allegheny County 0.20
11 Lawrence County 0.19
12 Elk County 0.18
12 Mercer County 0.18
13 Washington County 0.16
14 Erie County 0.15
15 Beaver County 0.14
15 Centre County 0.14
15 Forest County 0.14
15 Indiana County 0.14
16 Bedford County 0.12
16 Butler County 0.12
16 Fulton County 0.12
17 Dauphin County 0.11
17 Fayette County 0.11
17 Luzerne County 0.11
17 McKean County 0.11
17 Northumberland County 0.11
17 Venango County 0.11
18 Bucks County 0.10
18 Clinton County 0.10
18 Lebanon County 0.10
18 Northampton County 0.10
18 Susquehanna County 0.10
18 Union County 0.10
19 Lackawanna County 0.09
20 Pike County 0.08
20 Snyder County 0.08
21 Chester County 0.07
21 Clarion County 0.07
21 Cumberland County 0.07
21 Lehigh County 0.07
21 Sullivan County 0.07
22 Adams County 0.06
22 Mifflin County 0.06
22 Wayne County 0.06
23 Armstrong County 0.05
23 Blair County 0.05
23 Bradford County 0.05
23 Columbia County 0.05
23 Delaware County 0.05
23 Lycoming County 0.05
23 Monroe County 0.05
23 Montgomery County 0.05
23 Warren County 0.05
24 Berks County 0.04
24 Huntingdon County 0.04
24 Perry County 0.04
25 Lancaster County 0.03
25 Philadelphia County 0.03
25 Tioga County 0.03
25 York County 0.03
26 Franklin County 0.02
26 Wyoming County 0.02
27 Potter County 0.01