53718 leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 86% of adults in 53718 typically vote, above the U.S. average of about 62%. Among adults in 53718, ~63% vote Democratic, ~22% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 53718 compares
Among zip codes within 15 miles, 53718 leans more Democratic than 12 of 25 neighbors.
53718 runs about 48 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and 53718 sits clearly on the Democratic side.
Politics vary noticeably by block within 53718. The west side is the most Democratic-leaning (D+59) and the northeast side is the least Democratic-leaning (D+30), a spread of about 29 points.
Why 53718 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 53718, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 51% of adults in 53718 hold a bachelor's degree, about 23 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 53718 is about 70%, below 68% of zip codes. 53718 runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 53718, WI sits in the top quarter nationally on this measure.
Why turnout in 53718 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 53718 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. 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.