Partisan Voting Index for Counties in Colorado

This Map Displays the Partisan Voting Index Value for each county in Colorado. 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 2024 and 2020 presidential election. Of the 64 Counties in Colorado The County with the highest Republican PVI is Cheyenne County at +39. The County with the highest Democrat PVI is Denver County at +28.

Map List Related

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

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 Colorado With Partisan Voting Index (2024 Presidential Election Results)

Map KeyNamePartisan Voting Index (2024)
Adams CountyDemocrat +5
Alamosa CountyRepublican +3
Arapahoe CountyDemocrat +10
Archuleta CountyRepublican +8
Baca CountyRepublican +36
Bent CountyRepublican +19
Boulder CountyDemocrat +27
Broomfield CountyDemocrat +13
Chaffee CountyDemocrat +4
Cheyenne CountyRepublican +39
Clear Creek CountyDemocrat +6
Conejos CountyRepublican +7
Costilla CountyDemocrat +9
Crowley CountyRepublican +24
Custer CountyRepublican +19
Delta CountyRepublican +19
Denver CountyDemocrat +28
Dolores CountyRepublican +27
Douglas CountyRepublican +4
Eagle CountyDemocrat +13
El Paso CountyRepublican +5
Elbert CountyRepublican +26
Fremont CountyRepublican +20
Garfield CountyEven +0
Gilpin CountyDemocrat +4
Grand CountyRepublican +1
Gunnison CountyDemocrat +14
Hinsdale CountyRepublican +7
Huerfano CountyRepublican +3
Jackson CountyRepublican +29
Jefferson CountyDemocrat +8
Kiowa CountyRepublican +39
Kit Carson CountyRepublican +34
La Plata CountyDemocrat +8
Lake CountyDemocrat +7
Larimer CountyDemocrat +7
Las Animas CountyRepublican +6
Lincoln CountyRepublican +33
Logan CountyRepublican +29
Mesa CountyRepublican +14
Mineral CountyRepublican +8
Moffat CountyRepublican +32
Montezuma CountyRepublican +11
Montrose CountyRepublican +18
Morgan CountyRepublican +23
Otero CountyRepublican +13
Ouray CountyDemocrat +9
Park CountyRepublican +8
Phillips CountyRepublican +31
Pitkin CountyDemocrat +23
Prowers CountyRepublican +25
Pueblo CountyRepublican +1
Rio Blanco CountyRepublican +34
Rio Grande CountyRepublican +11
Routt CountyDemocrat +13
Saguache CountyDemocrat +3
San Juan CountyDemocrat +13
San Miguel CountyDemocrat +25
Sedgwick CountyRepublican +29
Summit CountyDemocrat +18
Teller CountyRepublican +18
Washington CountyRepublican +38
Weld CountyRepublican +10
Yuma CountyRepublican +34

Related Maps and Data:

2025 zipdatamaps.com