Ranking of Pennsylvania Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.97M people in Pennsylvania with Irish ancestry (15.21% of Pennsylvania population). Among all Pennsylvania counties, Lackawanna County had the highest percentage of its population with Irish ancestry (25.00%), followed by Delaware County (23.40%), and Bucks County (22.88%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Pennsylvania.
You may also be interested in:
Related Topics: Pennsylvania ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Pennsylvania Counties By Percentage of Population with Irish Ancestry in 2021
25
0 of 0
| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Lackawanna County | 25.00 |
| 2 | Delaware County | 23.40 |
| 3 | Bucks County | 22.88 |
| 4 | Pike County | 22.81 |
| 5 | Chester County | 21.13 |
| 6 | Susquehanna County | 20.32 |
| 7 | Montgomery County | 19.91 |
| 8 | Butler County | 19.57 |
| 9 | Sullivan County | 18.43 |
| 10 | Wayne County | 18.38 |
| 11 | Lawrence County | 17.68 |
| 12 | Schuylkill County | 17.58 |
| 13 | Luzerne County | 17.43 |
| 14 | Blair County | 17.38 |
| 15 | Cambria County | 17.25 |
| 16 | Westmoreland County | 16.94 |
| 17 | Allegheny County | 16.90 |
| 18 | Washington County | 16.71 |
| 19 | Armstrong County | 16.55 |
| 20 | Fayette County | 16.36 |
| 21 | Venango County | 16.35 |
| 22 | Beaver County | 16.32 |
| 23 | Wyoming County | 16.30 |
| 24 | Mercer County | 15.78 |
| 25 | Crawford County | 15.50 |
| 26 | Carbon County | 14.92 |
| 27 | Bradford County | 14.88 |
| 28 | Clarion County | 14.87 |
| 29 | McKean County | 14.81 |
| 30 | Erie County | 14.75 |
| 31 | Greene County | 14.46 |
| 32 | Warren County | 14.19 |
| 33 | Indiana County | 13.82 |
| 34 | Huntingdon County | 13.81 |
| 34 | Monroe County | 13.81 |
| 35 | Cumberland County | 13.70 |
| 36 | Lycoming County | 13.69 |
| 37 | Elk County | 13.14 |
| 38 | Northampton County | 12.96 |
| 39 | Mifflin County | 12.78 |
| 40 | Tioga County | 12.73 |
| 41 | Potter County | 12.70 |
| 42 | Centre County | 12.52 |
| 43 | Adams County | 12.10 |
| 44 | York County | 11.94 |
| 45 | Clinton County | 11.36 |
| 46 | Clearfield County | 11.26 |
| 47 | Jefferson County | 10.86 |
| 48 | Fulton County | 10.77 |
| 49 | Somerset County | 10.63 |
| 50 | Franklin County | 10.40 |
| 51 | Lehigh County | 10.33 |
| 52 | Montour County | 10.32 |
| 53 | Lancaster County | 10.26 |
| 53 | Northumberland County | 10.26 |
| 54 | Perry County | 10.25 |
| 55 | Columbia County | 10.23 |
| 56 | Bedford County | 10.16 |
| 57 | Forest County | 10.11 |
| 58 | Dauphin County | 9.95 |
| 59 | Philadelphia County | 9.91 |
| 60 | Berks County | 9.89 |
| 61 | Lebanon County | 9.64 |
| 62 | Cameron County | 9.44 |
| 63 | Juniata County | 8.29 |
| 64 | Union County | 8.18 |
| 65 | Snyder County | 7.89 |
Popular Topics:
Find us
Copyright © Beautify Data LLC. All Rights Reserved.