Ranking of Pennsylvania Counties By Population with Celtic Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.59K people in Pennsylvania with Celtic ancestry. Among all Pennsylvania counties, Philadelphia County had the highest population with Celtic ancestry (241), followed by Montgomery County (154), and Bucks County (120).
The chart and table below shows the top 10 counties with high number of people with Celtic 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 Celtic Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Philadelphia County | 241 |
| 2 | Montgomery County | 154 |
| 3 | Bucks County | 120 |
| 4 | Lehigh County | 109 |
| 5 | Dauphin County | 106 |
| 6 | Delaware County | 86 |
| 7 | Westmoreland County | 83 |
| 8 | Chester County | 66 |
| 9 | Berks County | 55 |
| 10 | Lancaster County | 54 |
| 11 | Luzerne County | 47 |
| 12 | Allegheny County | 46 |
| 13 | Cambria County | 38 |
| 13 | Lebanon County | 38 |
| 14 | Centre County | 33 |
| 15 | Schuylkill County | 32 |
| 16 | Erie County | 31 |
| 17 | Blair County | 30 |
| 18 | Beaver County | 26 |
| 19 | Lackawanna County | 21 |
| 20 | York County | 20 |
| 21 | Clinton County | 16 |
| 22 | Somerset County | 15 |
| 22 | Venango County | 15 |
| 23 | Fayette County | 14 |
| 23 | Mercer County | 14 |
| 24 | Cumberland County | 13 |
| 24 | McKean County | 13 |
| 25 | Adams County | 11 |
| 26 | Crawford County | 10 |
| 27 | Huntingdon County | 8 |
| 28 | Butler County | 7 |
| 29 | Clarion County | 4 |
| 30 | Greene County | 3 |
| 30 | Indiana County | 3 |
| 30 | Perry County | 3 |
| 31 | Tioga County | 2 |
| 31 | Washington County | 2 |