Windsor leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 97% of adults in Windsor typically vote, above the U.S. average of about 62%. Among adults in Windsor, ~57% vote Democratic, ~40% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Windsor compares
Among cities within 25 miles, Windsor leans more Democratic than 45 of 63 neighbors.
Windsor runs about 19 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and Windsor sits clearly on the Democratic side.
Politics vary noticeably by neighborhood within Windsor. The southwest side is the most Democratic-leaning (D+33) and the west side is the least Democratic-leaning (D+9), a spread of about 23 points.
Why Windsor leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Windsor, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 46% of adults in Windsor hold a bachelor's degree, about 18 points above the U.S. average of 28%. Dense areas vote Democratic, and Windsor sits in the top fifth on density (about 55%, above 88% of cities). A high never-married share predicts Democratic voting, and about 32% of adults in Windsor have never been married, above 80% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Windsor, WI sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Windsor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Windsor 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Windsor have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- DeForest, WI D+17
- Norway Grove, WI R+8
- Morrisonville, WI D+3
- Sun Prairie, WI D+37
- Waunakee, WI D+27
- Maple Bluff, WI D+44
- North Bristol, WI D+3
- North Leeds, WI R+22
- Dane, WI R+9
- Ashton Corners, WI D+29
Cities with Similar Populations
- Winnie, TX R+53
- Batesburg-Leesville, SC R+11
- Enon, OH R+35
- Boiling Springs, NC R+46
- Lochridge, TX R+31
- Colgate, WI R+36
- Whispering Pines, NC R+26
- Chicora, PA R+54
- Brighton, IL R+47
- Vandercook Lake, MI R+18
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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.