Ranking of Pennsylvania Counties By Population with British Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 56.46K people in Pennsylvania with British ancestry. Among all Pennsylvania counties, Allegheny County had the highest population with British ancestry (5.51K), followed by Montgomery County (5.03K), and Chester County (4.56K).
The chart and table below shows the top 10 counties with high number of people with British 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 British Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Allegheny County | 5513 |
| 2 | Montgomery County | 5031 |
| 3 | Chester County | 4559 |
| 4 | Lancaster County | 3611 |
| 5 | Philadelphia County | 3596 |
| 6 | Delaware County | 3101 |
| 7 | Bucks County | 3054 |
| 8 | York County | 2358 |
| 9 | Cumberland County | 2210 |
| 10 | Westmoreland County | 1578 |
| 11 | Berks County | 1440 |
| 12 | Northampton County | 1329 |
| 13 | Dauphin County | 1274 |
| 14 | Centre County | 1184 |
| 15 | Lehigh County | 1087 |
| 16 | Erie County | 1042 |
| 17 | Butler County | 846 |
| 18 | Washington County | 823 |
| 19 | Luzerne County | 746 |
| 20 | Adams County | 712 |
| 21 | Franklin County | 691 |
| 22 | Beaver County | 617 |
| 23 | Monroe County | 606 |
| 24 | Mercer County | 447 |
| 25 | Lycoming County | 445 |
| 26 | Lebanon County | 426 |
| 27 | Lackawanna County | 407 |
| 28 | Cambria County | 396 |
| 29 | Crawford County | 377 |
| 30 | Northumberland County | 363 |
| 31 | Carbon County | 339 |
| 32 | Fayette County | 337 |
| 33 | Clearfield County | 320 |
| 33 | Susquehanna County | 320 |
| 34 | Schuylkill County | 306 |
| 35 | Indiana County | 302 |
| 36 | Somerset County | 291 |
| 37 | Pike County | 278 |
| 38 | Columbia County | 276 |
| 39 | Bradford County | 261 |
| 39 | Perry County | 261 |
| 40 | Blair County | 260 |
| 41 | Lawrence County | 253 |
| 42 | Tioga County | 236 |
| 43 | Huntingdon County | 217 |
| 44 | Armstrong County | 194 |
| 45 | Clarion County | 191 |
| 46 | Bedford County | 188 |
| 46 | Warren County | 188 |
| 47 | Greene County | 185 |
| 48 | McKean County | 175 |
| 48 | Snyder County | 175 |
| 49 | Jefferson County | 134 |
| 50 | Wayne County | 126 |
| 51 | Clinton County | 101 |
| 52 | Venango County | 97 |
| 53 | Wyoming County | 93 |
| 54 | Mifflin County | 92 |
| 54 | Union County | 92 |
| 55 | Montour County | 81 |
| 56 | Potter County | 80 |
| 57 | Elk County | 49 |
| 58 | Cameron County | 27 |
| 59 | Fulton County | 26 |
| 60 | Forest County | 20 |
| 61 | Juniata County | 12 |
| 62 | Sullivan County | 9 |