54110 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 88% of adults in 54110 typically vote, above the U.S. average of about 62%. Among adults in 54110, ~27% vote Democratic, ~61% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How 54110 compares
Among zip codes within 15 miles, 54110 leans more Republican than 6 of 18 neighbors.
54110 runs about 38 points more Republican than Wisconsin as a whole.
Politics vary noticeably by block within 54110. The southwest side is the most Republican-leaning (R+52) and the east side is the least Republican-leaning (R+36), a spread of about 17 points.
Why 54110 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 54110, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 54110, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 18% of adults hold a bachelor's degree, about 8 points below the Wisconsin average of 26%. Car-dependent areas vote Republican, and about 83% of residents in 54110 drive to work alone, above 81% of zip codes.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; 54110, WI sits in the bottom quarter nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in 54110 looks the way it does
Turnout in 54110 sits close to the national pattern. 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.