Partisan Voting Index for Counties in Ohio

This Map Displays the Partisan Voting Index Value for each county in Ohio. 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 88 Counties in Ohio The County with the highest Republican PVI is Holmes County at +31. The County with the highest Democrat PVI is Cuyahoga County at +20.

Map List Related

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

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 Ohio With Partisan Voting Index (2020 Presidential Election Results)

Map KeyNamePartisan Voting Index (2020)
Adams CountyRepublican +29
Allen CountyRepublican +18
Ashland CountyRepublican +23
Ashtabula CountyRepublican +9
Athens CountyDemocrat +10
Auglaize CountyRepublican +30
Belmont CountyRepublican +20
Brown CountyRepublican +26
Butler CountyRepublican +12
Carroll CountyRepublican +23
Champaign CountyRepublican +22
Clark CountyRepublican +9
Clermont CountyRepublican +18
Clinton CountyRepublican +25
Columbiana CountyRepublican +20
Coshocton CountyRepublican +22
Crawford CountyRepublican +23
Cuyahoga CountyDemocrat +20
Darke CountyRepublican +30
Defiance CountyRepublican +16
Delaware CountyRepublican +4
Erie CountyRepublican +4
Fairfield CountyRepublican +11
Fayette CountyRepublican +24
Franklin CountyDemocrat +16
Fulton CountyRepublican +17
Gallia CountyRepublican +27
Geauga CountyRepublican +11
Greene CountyRepublican +9
Guernsey CountyRepublican +22
Hamilton CountyDemocrat +8
Hancock CountyRepublican +18
Hardin CountyRepublican +23
Harrison CountyRepublican +24
Henry CountyRepublican +19
Highland CountyRepublican +28
Hocking CountyRepublican +19
Holmes CountyRepublican +31
Huron CountyRepublican +18
Jackson CountyRepublican +25
Jefferson CountyRepublican +17
Knox CountyRepublican +19
Lake CountyRepublican +6
Lawrence CountyRepublican +21
Licking CountyRepublican +13
Logan CountyRepublican +26
Lorain CountyRepublican +1
Lucas CountyDemocrat +10
Madison CountyRepublican +19
Mahoning CountyRepublican +1
Marion CountyRepublican +17
Medina CountyRepublican +11
Meigs CountyRepublican +25
Mercer CountyRepublican +31
Miami CountyRepublican +21
Monroe CountyRepublican +24
Montgomery CountyDemocrat +2
Morgan CountyRepublican +21
Morrow CountyRepublican +24
Muskingum CountyRepublican +17
Noble CountyRepublican +29
Ottawa CountyRepublican +9
Paulding CountyRepublican +24
Perry CountyRepublican +21
Pickaway CountyRepublican +21
Pike CountyRepublican +20
Portage CountyRepublican +4
Preble CountyRepublican +27
Putnam CountyRepublican +31
Richland CountyRepublican +18
Ross CountyRepublican +14
Sandusky CountyRepublican +11
Scioto CountyRepublican +19
Seneca CountyRepublican +14
Shelby CountyRepublican +30
Stark CountyRepublican +8
Summit CountyDemocrat +7
Trumbull CountyRepublican +3
Tuscarawas CountyRepublican +17
Union CountyRepublican +16
Van Wert CountyRepublican +27
Vinton CountyRepublican +24
Warren CountyRepublican +16
Washington CountyRepublican +19
Wayne CountyRepublican +16
Williams CountyRepublican +21
Wood CountyRepublican +2
Wyandot CountyRepublican +23

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