54136 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 87% of adults in 54136 typically vote, above the U.S. average of about 62%. Among adults in 54136, ~41% vote Democratic, ~46% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 54136 compares
Among zip codes within 15 miles, 54136 leans more Republican than 5 of 18 neighbors.
54136 runs about 4 points more Republican than Wisconsin as a whole.
Why 54136 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 54136, not a ranked or complete list of what matters most.
54136 votes Republican even though it is densely developed (about 96%, far above the Wisconsin average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 54136, WI sits in the top tenth 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 54136 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 54136 have completed high school, about 7 points above the U.S. average of 90%. 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.