54901 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 63% of adults in 54901 typically vote, near the U.S. average of about 62%. Among adults in 54901, ~35% vote Democratic, ~28% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 54901 compares
Among zip codes within 15 miles, 54901 is the most Democratic-leaning.
54901 runs about 11 points more Democratic than Wisconsin as a whole.
Politics vary noticeably by block within 54901. The southwest side runs the most Democratic (D+27) and the northwest side runs the most Republican (R+11), a spread of about 38 points.
Why 54901 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 54901, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 73% of residents in 54901 live in densely developed areas, about 37 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 52% of adults in 54901 have never been married, above 96% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 54901, WI sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 54901 looks the way it does
Turnout in 54901 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.