Partisan Voting Index for Counties in Michigan

This Map Displays the Partisan Voting Index Value for each county in Michigan. 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 83 Counties in Michigan The County with the highest Republican PVI is Missaukee County at +25. The County with the highest Democrat PVI is Washtenaw County at +24.

Map List Related

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

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 Michigan With Partisan Voting Index (2020 Presidential Election Results)

Map KeyNamePartisan Voting Index (2020)
Alcona CountyRepublican +18
Alger CountyRepublican +8
Allegan CountyRepublican +12
Alpena CountyRepublican +13
Antrim CountyRepublican +12
Arenac CountyRepublican +16
Baraga CountyRepublican +12
Barry CountyRepublican +15
Bay CountyRepublican +4
Benzie CountyRepublican +4
Berrien CountyRepublican +3
Branch CountyRepublican +18
Calhoun CountyRepublican +4
Cass CountyRepublican +14
Charlevoix CountyRepublican +9
Cheboygan CountyRepublican +14
Chippewa CountyRepublican +10
Clare CountyRepublican +15
Clinton CountyRepublican +3
Crawford CountyRepublican +14
Delta CountyRepublican +12
Dickinson CountyRepublican +16
Eaton CountyEven +0
Emmet CountyRepublican +6
Genesee CountyDemocrat +7
Gladwin CountyRepublican +17
Gogebic CountyRepublican +5
Grand Traverse CountyRepublican +2
Gratiot CountyRepublican +12
Hillsdale CountyRepublican +22
Houghton CountyRepublican +5
Huron CountyRepublican +18
Ingham CountyDemocrat +16
Ionia CountyRepublican +13
Iosco CountyRepublican +13
Iron CountyRepublican +12
Isabella CountyEven +0
Jackson CountyRepublican +8
Kalamazoo CountyDemocrat +9
Kalkaska CountyRepublican +20
Kent CountyDemocrat +2
Keweenaw CountyRepublican +6
Lake CountyRepublican +11
Lapeer CountyRepublican +17
Leelanau CountyDemocrat +2
Lenawee CountyRepublican +9
Livingston CountyRepublican +12
Luce CountyRepublican +19
Mackinac CountyRepublican +12
Macomb CountyRepublican +4
Manistee CountyRepublican +6
Marquette CountyDemocrat +5
Mason CountyRepublican +9
Mecosta CountyRepublican +12
Menominee CountyRepublican +14
Midland CountyRepublican +6
Missaukee CountyRepublican +25
Monroe CountyRepublican +10
Montcalm CountyRepublican +16
Montmorency CountyRepublican +21
Muskegon CountyDemocrat +2
Newaygo CountyRepublican +18
Oakland CountyDemocrat +7
Oceana CountyRepublican +12
Ogemaw CountyRepublican +18
Ontonagon CountyRepublican +11
Osceola CountyRepublican +21
Oscoda CountyRepublican +21
Otsego CountyRepublican +16
Ottawa CountyRepublican +11
Presque Isle CountyRepublican +13
Roscommon CountyRepublican +14
Saginaw CountyDemocrat +2
Saint Clair CountyRepublican +14
Saint Joseph CountyRepublican +14
Sanilac CountyRepublican +21
Schoolcraft CountyRepublican +14
Shiawassee CountyRepublican +8
Tuscola CountyRepublican +18
Van Buren CountyRepublican +5
Washtenaw CountyDemocrat +24
Wayne CountyDemocrat +21
Wexford CountyRepublican +16

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