Wisconsin is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 81% of adults in Wisconsin typically vote, above the U.S. average of about 62%. Among adults in Wisconsin, ~41% vote Democratic, ~41% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Wisconsin compares
Among states within 500 miles, Wisconsin sits roughly in the middle of the political spectrum, with 6 neighbors leaning further in the place's direction and 3 leaning the other way.
Politics vary noticeably by county within Wisconsin. The south side runs the most Democratic (D+24) and the northeast side runs the most Republican (R+29), a spread of about 53 points.
Why Wisconsin leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Wisconsin. The lean here lands roughly where demographic data alone would predict.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Wisconsin does.
Why turnout in Wisconsin looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Wisconsin is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 67%, about 7 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 93% of adults in Wisconsin have completed high school, above 86% of states. Learn more about the findings and methodology on the political spectrum map.
Nearby States
States with Similar Populations
- Colorado D+12
- Minnesota D+5
- Missouri R+14
- Maryland D+33
- South Carolina R+12
- Alabama R+23
- Indiana R+15
- Tennessee R+23
- Massachusetts D+26
- Louisiana R+13
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Sources and methodology
Precinct-level voting records used to fit the model come from Wisconsin Elections Commission, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.