Pennsylvania Natural Population Increase By County in 2020

Updated on June 30, 2022.

According to the US Census Bureau estimates, in 2020, the natural population increase for Pennsylvania was -9,543, and the top three counties that had the highest natural population increase were:

  1. Philadelphia County: 3,793
  2. Lancaster County: 1,314
  3. Chester County: 810

On the other hand, the top 3 counties that had the lowest natural population increase were:

  1. Westmoreland County: -1,943
  2. Allegheny County: -1,872
  3. Bucks County: -1,017

Use the interactive visualization and the table below to explore the natural population increase for each Pennsylvania county in 2020. You can also find links to the historical natural population increase for each county below.

Natural Population Increase refers to the number of births minuse the number of deaths.

Pennsylvania Natural Population Increase By County in 2020
See this information for other years:
Pennsylvania Natural Population Increase By County in 2020
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County Natural Pop. Increase
Adams -207
Allegheny -1872
Armstrong -385
Beaver -676
Bedford -140
Berks 360
Blair -576
Bradford -135
Bucks -1017
Butler -350
Cambria -666
Cameron -43
Carbon -315
Centre -71
Chester 810
Clarion -118
Clearfield -327
Clinton -13
Columbia -253
Crawford -158
Cumberland 82
Dauphin 583
Delaware 534
Elk -125
Erie -331
Fayette -654
Forest -67
Franklin -46
Fulton -18
Greene -141
Huntingdon -164
Indiana -173
Jefferson -95
Juniata 11
Lackawanna -724
Lancaster 1314
Lawrence -318
Lebanon -87
Lehigh 736
Luzerne -935
Lycoming -249
McKean -186
Mercer -467
Mifflin 39
Monroe -254
Montgomery 51
Montour -50
Northampton -320
Northumberland -292
Perry -6
Philadelphia 3793
Pike -151
Potter -72
Schuylkill -621
Snyder -7
Somerset -294
Sullivan -71
Susquehanna -125
Tioga -141
Union -62
Venango -276
Warren -162
Washington -665
Wayne -290
Westmoreland -1943
Wyoming -117
York 165