Ranking of Pennsylvania Counties By Percentage of Population with Czech Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 42.80K people in Pennsylvania with Czech ancestry (0.33% of Pennsylvania population). Among all Pennsylvania counties, Sullivan County had the highest percentage of its population with Czech ancestry (1.72%), followed by Fayette County (0.95%), and Westmoreland County (0.95%).
The chart and table below shows the top 10 counties with high percentage of its population having Czech ancestry.
You can see similar information for other states and for other ancestry groups in Pennsylvania.
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Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Pennsylvania Counties By Percentage of Population with Czech Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Sullivan County | 1.72 |
| 2 | Fayette County | 0.95 |
| 2 | Westmoreland County | 0.95 |
| 3 | Pike County | 0.71 |
| 4 | Cambria County | 0.70 |
| 5 | Butler County | 0.65 |
| 6 | Beaver County | 0.63 |
| 7 | Erie County | 0.62 |
| 8 | Washington County | 0.57 |
| 9 | Allegheny County | 0.54 |
| 9 | Indiana County | 0.54 |
| 10 | Armstrong County | 0.50 |
| 11 | Somerset County | 0.48 |
| 12 | Susquehanna County | 0.46 |
| 13 | Lawrence County | 0.45 |
| 14 | McKean County | 0.43 |
| 15 | Carbon County | 0.42 |
| 15 | Monroe County | 0.42 |
| 16 | Elk County | 0.41 |
| 17 | Chester County | 0.40 |
| 18 | Clearfield County | 0.39 |
| 19 | Potter County | 0.37 |
| 19 | Schuylkill County | 0.37 |
| 20 | Bucks County | 0.36 |
| 20 | Mercer County | 0.36 |
| 21 | Crawford County | 0.33 |
| 22 | Jefferson County | 0.32 |
| 23 | Greene County | 0.31 |
| 24 | Clarion County | 0.29 |
| 24 | Lehigh County | 0.29 |
| 24 | Montgomery County | 0.29 |
| 25 | Centre County | 0.28 |
| 25 | Cumberland County | 0.28 |
| 25 | Huntingdon County | 0.28 |
| 26 | Blair County | 0.27 |
| 26 | Luzerne County | 0.27 |
| 26 | Wyoming County | 0.27 |
| 27 | Lebanon County | 0.26 |
| 28 | Columbia County | 0.25 |
| 28 | Tioga County | 0.25 |
| 29 | Lackawanna County | 0.24 |
| 30 | Bradford County | 0.23 |
| 30 | Snyder County | 0.23 |
| 31 | Northampton County | 0.21 |
| 31 | Northumberland County | 0.21 |
| 32 | Berks County | 0.19 |
| 32 | Fulton County | 0.19 |
| 33 | Delaware County | 0.18 |
| 33 | Union County | 0.18 |
| 33 | Warren County | 0.18 |
| 34 | Lancaster County | 0.17 |
| 35 | Adams County | 0.16 |
| 35 | Perry County | 0.16 |
| 36 | Forest County | 0.15 |
| 36 | Philadelphia County | 0.15 |
| 37 | Franklin County | 0.14 |
| 37 | Montour County | 0.14 |
| 37 | Wayne County | 0.14 |
| 37 | York County | 0.14 |
| 38 | Dauphin County | 0.13 |
| 38 | Venango County | 0.13 |
| 39 | Cameron County | 0.11 |
| 40 | Lycoming County | 0.10 |
| 41 | Bedford County | 0.07 |
| 42 | Clinton County | 0.05 |
| 43 | Juniata County | 0.03 |
| 43 | Mifflin County | 0.03 |
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