Ranking of Pennsylvania Counties By Percentage of Population with Other Groups Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.69M people in Pennsylvania with Other Groups ancestry (20.75% of Pennsylvania population). Among all Pennsylvania counties, Philadelphia County had the highest percentage of its population with Other Groups ancestry (48.71%), followed by Lehigh County (33.08%), and Dauphin County (26.42%).
The chart and table below shows the top 10 counties with high percentage of its population having Other Groups 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 Other Groups Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Philadelphia County | 48.71 |
| 2 | Lehigh County | 33.08 |
| 3 | Dauphin County | 26.42 |
| 4 | Delaware County | 25.47 |
| 5 | Monroe County | 25.46 |
| 6 | Montgomery County | 23.19 |
| 7 | Berks County | 21.42 |
| 7 | Northampton County | 21.42 |
| 8 | Chester County | 20.35 |
| 9 | Luzerne County | 17.90 |
| 10 | Allegheny County | 17.40 |
| 11 | Lebanon County | 17.07 |
| 12 | York County | 16.99 |
| 13 | Pike County | 16.61 |
| 14 | Forest County | 16.37 |
| 15 | Lancaster County | 16.31 |
| 16 | Bucks County | 15.91 |
| 17 | Cumberland County | 15.46 |
| 18 | Erie County | 15.23 |
| 19 | Franklin County | 15.17 |
| 20 | Adams County | 14.04 |
| 21 | Lackawanna County | 13.98 |
| 22 | Centre County | 13.57 |
| 23 | Union County | 12.54 |
| 24 | Beaver County | 12.36 |
| 25 | Juniata County | 11.99 |
| 26 | Mercer County | 11.97 |
| 27 | Montour County | 11.25 |
| 28 | Huntingdon County | 11.14 |
| 29 | Lawrence County | 11.05 |
| 30 | Clearfield County | 11.02 |
| 31 | Greene County | 10.74 |
| 32 | Lycoming County | 10.60 |
| 33 | Perry County | 10.28 |
| 34 | Northumberland County | 10.17 |
| 35 | Fulton County | 10.14 |
| 36 | Carbon County | 10.05 |
| 37 | Cambria County | 9.97 |
| 38 | Venango County | 9.62 |
| 39 | Fayette County | 9.59 |
| 40 | Washington County | 9.58 |
| 41 | Blair County | 9.52 |
| 42 | Warren County | 9.46 |
| 43 | McKean County | 9.39 |
| 44 | Columbia County | 9.32 |
| 45 | Indiana County | 9.30 |
| 46 | Mifflin County | 9.26 |
| 47 | Schuylkill County | 9.20 |
| 48 | Potter County | 9.04 |
| 48 | Wayne County | 9.04 |
| 49 | Clinton County | 8.78 |
| 50 | Somerset County | 8.74 |
| 51 | Crawford County | 8.71 |
| 52 | Clarion County | 8.70 |
| 53 | Bradford County | 8.69 |
| 53 | Butler County | 8.69 |
| 54 | Westmoreland County | 8.65 |
| 55 | Cameron County | 8.64 |
| 56 | Snyder County | 8.33 |
| 57 | Tioga County | 8.15 |
| 58 | Bedford County | 7.78 |
| 59 | Susquehanna County | 7.45 |
| 60 | Sullivan County | 7.40 |
| 61 | Elk County | 7.36 |
| 62 | Jefferson County | 7.28 |
| 63 | Wyoming County | 6.96 |
| 64 | Armstrong County | 6.05 |