Pennsylvania Net Migration By County in 2011

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2011, the net migration for Pennsylvania was 20,836. Allegheny County had the highest net migration (5,181) followed by Philadelphia County (3,359), and Montgomery County (2,535). On the other hand, Delaware County had the lowest net migration (-1,071), followed by Cambria County (-343), and Crawford County (-320).

Net migration for a county refers to the difference between the number of migrants, both domestic and international, moving to the county and those leaving the county. Or to put it simply, the net migration for a given county is the inbound migration minus the outbound migration for that county.

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.

See this for other years:
Pennsylvania Net Migration By County in 2011
Pennsylvania Net Migration By County in 2011
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County Net Migration
Adams -120
Allegheny 5181
Armstrong -242
Beaver 1
Bedford -2
Berks -257
Blair 206
Bradford 346
Bucks 205
Butler 780
Cambria -343
Cameron -40
Carbon 100
Centre 615
Chester 1613
Clarion -13
Clearfield 60
Clinton 215
Columbia -207
Crawford -320
Cumberland 883
Dauphin 10
Delaware -1071
Elk 25
Erie -21
Fayette 29
Forest 26
Franklin 563
Fulton -102
Greene -211
Huntingdon 23
Indiana -165
Jefferson -188
Juniata 39
Lackawanna 370
Lancaster 1175
Lawrence -260
Lebanon 554
Lehigh 2412
Luzerne 1037
Lycoming 595
McKean -118
Mercer -185
Mifflin 63
Monroe -62
Montgomery 2535
Montour 41
Northampton 330
Northumberland 325
Perry -178
Philadelphia 3359
Pike -227
Potter -5
Schuylkill -240
Snyder 4
Somerset -105
Sullivan 76
Susquehanna 16
Tioga 308
Union 108
Venango -159
Warren -189
Washington 717
Wayne 76
Westmoreland 655
Wyoming 42
York 148