Ranking of Pennsylvania Counties By Population with Czechoslovakian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 21.84K people in Pennsylvania with Czechoslovakian ancestry. Among all Pennsylvania counties, Allegheny County had the highest population with Czechoslovakian ancestry (3.31K), followed by Westmoreland County (1.32K), and Butler County (1.22K).
The chart and table below shows the top 10 counties with high number of people with Czechoslovakian 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 Population with Czechoslovakian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Allegheny County | 3306 |
| 2 | Westmoreland County | 1323 |
| 3 | Butler County | 1216 |
| 4 | Washington County | 1078 |
| 5 | Montgomery County | 1036 |
| 6 | Luzerne County | 993 |
| 7 | Bucks County | 987 |
| 8 | Lehigh County | 867 |
| 9 | Cambria County | 680 |
| 10 | Chester County | 557 |
| 11 | Centre County | 552 |
| 12 | Northampton County | 532 |
| 13 | Fayette County | 523 |
| 14 | Schuylkill County | 509 |
| 15 | Philadelphia County | 508 |
| 16 | Erie County | 496 |
| 17 | Beaver County | 470 |
| 18 | Lancaster County | 450 |
| 19 | Delaware County | 410 |
| 20 | Lackawanna County | 353 |
| 21 | Berks County | 345 |
| 22 | Carbon County | 344 |
| 23 | Dauphin County | 334 |
| 24 | Monroe County | 321 |
| 25 | York County | 262 |
| 26 | Indiana County | 240 |
| 27 | Crawford County | 214 |
| 28 | Clearfield County | 203 |
| 29 | Cumberland County | 199 |
| 30 | Lawrence County | 193 |
| 31 | Blair County | 163 |
| 32 | Somerset County | 138 |
| 33 | Mercer County | 130 |
| 34 | Franklin County | 121 |
| 35 | Greene County | 119 |
| 36 | Adams County | 118 |
| 37 | Lebanon County | 115 |
| 38 | Armstrong County | 114 |
| 39 | Susquehanna County | 112 |
| 40 | Bedford County | 92 |
| 40 | Columbia County | 92 |
| 41 | Warren County | 87 |
| 42 | McKean County | 80 |
| 43 | Lycoming County | 68 |
| 44 | Clinton County | 67 |
| 45 | Pike County | 57 |
| 46 | Northumberland County | 56 |
| 47 | Bradford County | 55 |
| 48 | Jefferson County | 53 |
| 49 | Elk County | 51 |
| 49 | Juniata County | 51 |
| 49 | Wyoming County | 51 |
| 50 | Snyder County | 49 |
| 51 | Huntingdon County | 47 |
| 52 | Tioga County | 45 |
| 53 | Wayne County | 43 |
| 54 | Venango County | 34 |
| 55 | Perry County | 29 |
| 56 | Clarion County | 22 |
| 57 | Cameron County | 17 |
| 57 | Fulton County | 17 |
| 57 | Potter County | 17 |
| 58 | Forest County | 9 |
| 59 | Mifflin County | 8 |
| 60 | Montour County | 7 |
| 61 | Sullivan County | 1 |