54025 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 84% of adults in 54025 typically vote, above the U.S. average of about 62%. Among adults in 54025, ~29% vote Democratic, ~55% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 54025 compares
Among zip codes within 15 miles, 54025 leans more Republican than 11 of 14 neighbors.
54025 runs about 30 points more Republican than Wisconsin as a whole.
Politics vary noticeably by block within 54025. The northwest side is the most Republican-leaning (R+34) and the southeast side is the least Republican-leaning (R+23), a spread of about 10 points.
Why 54025 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 54025, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in 54025 are family households, about 9 points above the U.S. average of 67%.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 54025, WI sits in the top tenth nationally on this measure.
Why turnout in 54025 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 54025 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 99% of adults in 54025 have completed high school, above 97% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.