Pennsylvania Net Domestic Migration By County in 2021

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2021, the net domestic migration for Pennsylvania was 28,184. Montgomery County had the highest net domestic migration (6,460) followed by Northampton County (6,062), and Cumberland County (5,536). On the other hand, Philadelphia County had the lowest net domestic migration (-16,517), followed by Allegheny County (-2,938), and Clearfield County (-1,537).

Net Domestic Migration for a given county refers to the the difference between number of people moving to the county from other parts of the United States (excluding Puerto Rico) and number of people moving out of the county to other parts of the United States (excluding Puerto Rico).

You can also see similar information for other states and also by state for the United States.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

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Pennsylvania Net Domestic Migration By County in 2021
Pennsylvania Net Domestic Migration By County in 2021
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County Net Domestic Migration
Adams 2221
Allegheny -2938
Armstrong 90
Beaver -120
Bedford 170
Berks 523
Blair 181
Bradford 268
Bucks 1909
Butler 3549
Cambria -5
Cameron -21
Carbon 1146
Centre -276
Chester 4713
Clarion 619
Clearfield -1537
Clinton 751
Columbia 578
Crawford -302
Cumberland 5536
Dauphin 819
Delaware -688
Elk 10
Erie -820
Fayette -546
Forest 14
Franklin 850
Fulton 19
Greene -385
Huntingdon 52
Indiana 196
Jefferson -168
Juniata -113
Lackawanna 1081
Lancaster 1647
Lawrence 141
Lebanon 651
Lehigh 281
Luzerne 1718
Lycoming -219
McKean 118
Mercer 109
Mifflin 195
Monroe 621
Montgomery 6460
Montour 2
Northampton 6062
Northumberland -65
Perry 182
Philadelphia -16517
Pike 1726
Potter -8
Schuylkill 1200
Snyder 11
Somerset -455
Sullivan 114
Susquehanna 247
Tioga 464
Union -128
Venango 14
Warren -125
Washington 1586
Wayne 392
Westmoreland 1675
Wyoming 218
York 2491