Ranking of Pennsylvania Counties By Net Migration in 2020
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2020, the Net Migration for Pennsylvania was -6.33K. Among all Pennsylvania counties, Montgomery County had the highest net migration (3.40K), followed by Cumberland County (2.65K), and Butler County (1.17K).
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), 2020 Census.
See this for other years:
Ranking of Pennsylvania Counties By Net Migration in 2020
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| Rank | County | Net Migration |
|---|---|---|
| 1 | Montgomery County | 3404 |
| 2 | Cumberland County | 2649 |
| 3 | Butler County | 1170 |
| 4 | York County | 925 |
| 5 | Chester County | 877 |
| 6 | Dauphin County | 851 |
| 7 | Lehigh County | 745 |
| 8 | Northampton County | 686 |
| 9 | Washington County | 601 |
| 10 | Bucks County | 504 |
| 11 | Luzerne County | 473 |
| 12 | Lebanon County | 429 |
| 13 | Pike County | 400 |
| 14 | Monroe County | 321 |
| 15 | Carbon County | 271 |
| 16 | Berks County | 268 |
| 17 | Wayne County | 182 |
| 18 | Adams County | 171 |
| 19 | Schuylkill County | 162 |
| 20 | Franklin County | 155 |
| 21 | Westmoreland County | 88 |
| 22 | Columbia County | 73 |
| 23 | Bedford County | 44 |
| 24 | Sullivan County | 25 |
| 25 | Fulton County | 16 |
| 26 | Forest County | 2 |
| 27 | Potter County | -20 |
| 28 | Cameron County | -53 |
| 29 | Mifflin County | -66 |
| 30 | Snyder County | -69 |
| 31 | Bradford County | -74 |
| 32 | Clarion County | -76 |
| 33 | Montour County | -87 |
| 34 | Warren County | -95 |
| 35 | Jefferson County | -96 |
| 36 | Lackawanna County | -100 |
| 37 | Lawrence County | -104 |
| 38 | Susquehanna County | -110 |
| 39 | Perry County | -111 |
| 40 | McKean County | -114 |
| 41 | Wyoming County | -115 |
| 42 | Lycoming County | -126 |
| 43 | Northumberland County | -138 |
| 44 | Huntingdon County | -142 |
| 45 | Tioga County | -144 |
| 45 | Union County | -144 |
| 46 | Juniata County | -152 |
| 47 | Armstrong County | -153 |
| 48 | Elk County | -163 |
| 49 | Indiana County | -187 |
| 50 | Somerset County | -232 |
| 51 | Clearfield County | -246 |
| 52 | Venango County | -270 |
| 53 | Mercer County | -285 |
| 54 | Greene County | -299 |
| 55 | Delaware County | -308 |
| 56 | Clinton County | -332 |
| 57 | Blair County | -362 |
| 58 | Centre County | -535 |
| 59 | Crawford County | -566 |
| 60 | Lancaster County | -575 |
| 61 | Fayette County | -642 |
| 62 | Beaver County | -707 |
| 63 | Cambria County | -768 |
| 64 | Erie County | -780 |
| 65 | Allegheny County | -2536 |
| 66 | Philadelphia County | -9741 |