54150 is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.
About 61% of adults in 54150 typically vote, near the U.S. average of about 62%. Among adults in 54150, ~49% vote Democratic, ~12% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 54150 compares
Among zip codes within 15 miles, 54150 is the most Democratic-leaning.
54150 runs about 62 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and 54150 sits clearly on the Democratic side.
Politics vary noticeably by block within 54150. The east side is the most Democratic-leaning (D+78) and the southeast side is the least Democratic-leaning (D+33), a spread of about 44 points.
Why 54150 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 54150, not a ranked or complete list of what matters most.
54150 votes against the grain of Wisconsin. Wisconsin is roughly evenly split, while 54150 runs about 62 points more Democratic. A high never-married share predicts Democratic voting, and about 36% of adults in 54150 have never been married, above 82% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 54150, WI sits in the bottom 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 54150 looks the way it does
Areas with high food insecurity turn out at lower rates. About 24% of adults in 54150 report food insecurity, about 8 points above the U.S. average of 16%. 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.