53219 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 73% of adults in 53219 typically vote, above the U.S. average of about 62%. Among adults in 53219, ~42% vote Democratic, ~31% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 53219 compares
Among zip codes within 15 miles, 53219 leans more Democratic than 26 of 50 neighbors.
53219 runs about 16 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and 53219 sits clearly on the Democratic side.
Politics vary noticeably by block within 53219. The east side is the most Democratic-leaning (D+21) and the southwest side is the least Democratic-leaning (D+8), a spread of about 12 points.
Why 53219 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 53219, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 53219 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 42% of adults in 53219 have never been married, above 89% of zip codes. 53219 runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 53219, WI sits in the top 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 53219 looks the way it does
Turnout in 53219 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.