Partisan Voting Index for Counties in Maryland

This Map Displays the Partisan Voting Index Value for each county in Maryland. 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 24 Counties in Maryland The County with the highest Republican PVI is Garrett County at +27. The County with the highest Democrat PVI is Prince Georges County at +42.

Map List Related

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

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 Maryland With Partisan Voting Index (2020 Presidential Election Results)

Map KeyNamePartisan Voting Index (2020)
Allegany CountyRepublican +19
Anne Arundel CountyDemocrat +5
Baltimore City CountyDemocrat +39
Baltimore CountyDemocrat +13
Calvert CountyRepublican +4
Caroline CountyRepublican +16
Carroll CountyRepublican +12
Cecil CountyRepublican +13
Charles CountyDemocrat +20
Dorchester CountyRepublican +5
Frederick CountyDemocrat +3
Garrett CountyRepublican +27
Harford CountyRepublican +7
Howard CountyDemocrat +20
Kent CountyDemocrat +1
Montgomery CountyDemocrat +30
Prince Georges CountyDemocrat +42
Queen Annes CountyRepublican +13
Saint Marys CountyRepublican +7
Somerset CountyRepublican +6
Talbot CountyDemocrat +1
Washington CountyRepublican +11
Wicomico CountyRepublican +1
Worcester CountyRepublican +10

Related Maps and Data:

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