Partisan Voting Index for Counties in North Dakota

This Map Displays the Partisan Voting Index Value for each county in North Dakota. 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 53 Counties in North Dakota The County with the highest Republican PVI is Slope County at +37. The County with the highest Democrat PVI is Sioux County at +18.

Map List Related

Map of Partisan Voting Index (PVI) for Counties in North Dakota

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 North Dakota With Partisan Voting Index (2020 Presidential Election Results)

Map KeyNamePartisan Voting Index (2020)
Adams CountyRepublican +26
Barnes CountyRepublican +12
Benson CountyRepublican +1
Billings CountyRepublican +34
Bottineau CountyRepublican +23
Bowman CountyRepublican +33
Burke CountyRepublican +36
Burleigh CountyRepublican +18
Cass CountyEven +0
Cavalier CountyRepublican +21
Dickey CountyRepublican +21
Divide CountyRepublican +23
Dunn CountyRepublican +31
Eddy CountyRepublican +16
Emmons CountyRepublican +36
Foster CountyRepublican +25
Golden Valley CountyRepublican +34
Grand Forks CountyRepublican +5
Grant CountyRepublican +32
Griggs CountyRepublican +20
Hettinger CountyRepublican +32
Kidder CountyRepublican +32
LaMoure CountyRepublican +22
Logan CountyRepublican +35
Mchenry CountyRepublican +26
Mcintosh CountyRepublican +28
Mckenzie CountyRepublican +31
Mclean CountyRepublican +24
Mercer CountyRepublican +32
Morton CountyRepublican +23
Mountrail CountyRepublican +16
Nelson CountyRepublican +12
Oliver CountyRepublican +34
Pembina CountyRepublican +22
Pierce CountyRepublican +22
Ramsey CountyRepublican +14
Ransom CountyRepublican +5
Renville CountyRepublican +29
Richland CountyRepublican +14
Rolette CountyDemocrat +14
Sargent CountyRepublican +8
Sheridan CountyRepublican +34
Sioux CountyDemocrat +18
Slope CountyRepublican +37
Stark CountyRepublican +30
Steele CountyRepublican +7
Stutsman CountyRepublican +18
Towner CountyRepublican +17
Traill CountyRepublican +10
Walsh CountyRepublican +17
Ward CountyRepublican +20
Wells CountyRepublican +28
Williams CountyRepublican +31

Related Maps and Data:

2025 zipdatamaps.com