53515 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 77% of adults in 53515 typically vote, above the U.S. average of about 62%. Among adults in 53515, ~42% vote Democratic, ~35% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 53515 compares
Among zip codes within 15 miles, 53515 leans more Democratic than 7 of 14 neighbors.
53515 runs about 11 points more Democratic than Wisconsin as a whole.
Politics vary noticeably by block within 53515. The southwest side is the most Democratic-leaning (D+27) and the west side is the least Democratic-leaning (D+5), a spread of about 23 points.
Why 53515 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 53515. The lean here lands roughly where demographic data alone would predict.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 53515, WI does.
Why turnout in 53515 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 53515 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 53515 have completed high school, above 94% of zip codes. 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.