Partisan Voting Index for Counties in Pennsylvania

This Map Displays the Partisan Voting Index Value for each county in Pennsylvania. The Partisan Voting Index (PVI) is a measurement of how strongly a county leans toward the Democratic or Republican Party. The PVI is calculated by taking the average percentage for the winning party in a county for the last two elections and subtracting that value from the national average for that party in the same two elections. The data is based on results from the 2020 and 2016 presidential election. Of the 67 Counties in Pennsylvania The County with the highest Republican PVI is Fulton County at +35. The County with the highest Democrat PVI is Philadelphia County at +35.

Map List Related

Map of Partisan Voting Index (PVI) for Counties in Pennsylvania

Rep +20
Rep. 15-19
Rep. 10-14
Rep. 5-9
Rep. 1-4
Even
Dem 1-4
Dem 5-9
Dem 10-14
Dem 15-19
Dem +20

List of All Counties in Pennsylvania With Partisan Voting Index (2020 Presidential Election Results)

Map KeyNamePartisan Voting Index (2020)
Adams CountyRepublican +17
Allegheny CountyDemocrat +12
Armstrong CountyRepublican +25
Beaver CountyRepublican +8
Bedford CountyRepublican +33
Berks CountyRepublican +3
Blair CountyRepublican +22
Bradford CountyRepublican +21
Bucks CountyDemocrat +4
Butler CountyRepublican +16
Cambria CountyRepublican +18
Cameron CountyRepublican +23
Carbon CountyRepublican +16
Centre CountyDemocrat +4
Chester CountyDemocrat +9
Clarion CountyRepublican +24
Clearfield CountyRepublican +24
Clinton CountyRepublican +17
Columbia CountyRepublican +14
Crawford CountyRepublican +18
Cumberland CountyRepublican +6
Dauphin CountyDemocrat +5
Delaware CountyDemocrat +15
Elk CountyRepublican +21
Erie CountyDemocrat +2
Fayette CountyRepublican +16
Forest CountyRepublican +21
Franklin CountyRepublican +21
Fulton CountyRepublican +35
Greene CountyRepublican +20
Huntingdon CountyRepublican +24
Indiana CountyRepublican +17
Jefferson CountyRepublican +29
Juniata CountyRepublican +30
Lackawanna CountyDemocrat +5
Lancaster CountyRepublican +7
Lawrence CountyRepublican +14
Lebanon CountyRepublican +16
Lehigh CountyDemocrat +5
Luzerne CountyRepublican +8
Lycoming CountyRepublican +20
Mckean CountyRepublican +22
Mercer CountyRepublican +12
Mifflin CountyRepublican +27
Monroe CountyDemocrat +4
Montgomery CountyDemocrat +14
Montour CountyRepublican +11
Northampton CountyDemocrat +1
Northumberland CountyRepublican +19
Perry CountyRepublican +24
Philadelphia CountyDemocrat +35
Pike CountyRepublican +11
Potter CountyRepublican +30
Schuylkill CountyRepublican +20
Snyder CountyRepublican +23
Somerset CountyRepublican +27
Sullivan CountyRepublican +23
Susquehanna CountyRepublican +19
Tioga CountyRepublican +25
Union CountyRepublican +11
Venango CountyRepublican +20
Warren CountyRepublican +19
Washington CountyRepublican +11
Wayne CountyRepublican +17
Westmoreland CountyRepublican +14
Wyoming CountyRepublican +17
York CountyRepublican +12

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