Ranking of Pennsylvania Counties By Net Migration in 2021
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2021, the Net Migration for Pennsylvania was 38.38K. Among all Pennsylvania counties, Montgomery County had the highest net migration (7.14K), followed by Northampton County (6.28K), and Cumberland County (5.72K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Pennsylvania counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
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Related Topics: Pennsylvania Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Pennsylvania Counties By Net Migration in 2021
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| Rank | County | Net Migration |
|---|---|---|
| 1 | Montgomery County | 7136 |
| 2 | Northampton County | 6279 |
| 3 | Cumberland County | 5717 |
| 4 | Chester County | 5124 |
| 5 | Butler County | 3583 |
| 6 | York County | 2742 |
| 7 | Bucks County | 2282 |
| 8 | Adams County | 2244 |
| 9 | Luzerne County | 2089 |
| 10 | Lancaster County | 2070 |
| 11 | Pike County | 1736 |
| 12 | Westmoreland County | 1714 |
| 13 | Washington County | 1627 |
| 14 | Lackawanna County | 1239 |
| 15 | Schuylkill County | 1225 |
| 16 | Carbon County | 1151 |
| 17 | Dauphin County | 1135 |
| 18 | Lehigh County | 999 |
| 19 | Berks County | 961 |
| 20 | Franklin County | 938 |
| 21 | Lebanon County | 766 |
| 22 | Clinton County | 755 |
| 23 | Monroe County | 675 |
| 24 | Clarion County | 624 |
| 25 | Columbia County | 586 |
| 26 | Tioga County | 467 |
| 27 | Wayne County | 398 |
| 28 | Bradford County | 279 |
| 29 | Susquehanna County | 246 |
| 30 | Wyoming County | 221 |
| 31 | Indiana County | 220 |
| 32 | Mifflin County | 200 |
| 33 | Blair County | 198 |
| 34 | Perry County | 185 |
| 35 | Bedford County | 173 |
| 36 | Lawrence County | 143 |
| 37 | McKean County | 128 |
| 38 | Mercer County | 115 |
| 39 | Sullivan County | 114 |
| 40 | Armstrong County | 93 |
| 41 | Huntingdon County | 56 |
| 42 | Centre County | 37 |
| 43 | Venango County | 20 |
| 44 | Fulton County | 19 |
| 45 | Forest County | 14 |
| 46 | Montour County | 13 |
| 46 | Snyder County | 13 |
| 47 | Elk County | 10 |
| 48 | Cambria County | 3 |
| 49 | Potter County | -8 |
| 50 | Cameron County | -21 |
| 51 | Delaware County | -42 |
| 52 | Northumberland County | -46 |
| 53 | Juniata County | -98 |
| 54 | Beaver County | -105 |
| 55 | Union County | -116 |
| 56 | Warren County | -123 |
| 57 | Jefferson County | -166 |
| 58 | Lycoming County | -174 |
| 59 | Crawford County | -289 |
| 60 | Greene County | -387 |
| 61 | Somerset County | -454 |
| 62 | Fayette County | -514 |
| 63 | Erie County | -676 |
| 64 | Clearfield County | -1519 |
| 65 | Allegheny County | -1814 |
| 66 | Philadelphia County | -13828 |