53002 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 78% of adults in 53002 typically vote, above the U.S. average of about 62%. Among adults in 53002, ~19% vote Democratic, ~59% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 53002 compares
Among zip codes within 15 miles, 53002 leans more Republican than 16 of 17 neighbors.
53002 runs about 50 points more Republican than Wisconsin as a whole.
Politics vary noticeably by block within 53002. The northwest side is the most Republican-leaning (R+58) and the south side is the least Republican-leaning (R+44), a spread of about 14 points.
Why 53002 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 53002, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in 53002 drive to work alone, about 15 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 81% of households in 53002 are family households, above 93% of zip codes.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 53002, WI sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 53002 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 53002 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in 53002 own their home, above 83% 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.