54210 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 79% of adults in 54210 typically vote, above the U.S. average of about 62%. Among adults in 54210, ~45% vote Democratic, ~34% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 54210 compares
Among zip codes within 15 miles, 54210 leans more Democratic than 2 of 5 neighbors.
54210 runs about 15 points more Democratic than Wisconsin as a whole. Wisconsin is roughly evenly split, and 54210 sits clearly on the Democratic side.
Why 54210 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 54210, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 59% of adults in 54210 hold a bachelor's degree, about 30 points above the U.S. average of 28%. 54210 runs against the grain of Wisconsin, a Democratic-leaning outlier in a roughly evenly split state.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 54210, WI does.
Why turnout in 54210 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 54210 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in 54210 own their home, above 85% of zip codes. High high-school completion lines up with higher turnout, and about 97% of adults in 54210 have completed high school, above 88% 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.