54123 leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 63% of adults in 54123 typically vote, near the U.S. average of about 62%. Among adults in 54123, ~16% vote Democratic, ~47% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 54123 compares
Among zip codes within 15 miles, 54123 leans more Republican than 16 of 18 neighbors.
54123 runs about 49 points more Republican than Wisconsin as a whole.
Why 54123 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 54123, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in 54123 drive to work alone, about 15 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 54123 sits in the bottom quarter (about 16%, below 78% of zip codes).
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 54123, WI sits in the bottom quarter nationally on this measure.
Why turnout in 54123 looks the way it does
Homeowners vote more often than renters. About 90% of households in 54123 own their home, about 10 points above the Wisconsin average of 80%. 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.