Platteville is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 78% of adults in Platteville typically vote, above the U.S. average of about 62%. Among adults in Platteville, ~39% vote Democratic, ~39% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Platteville compares
Among cities within 25 miles, Platteville sits roughly in the middle of the political spectrum, with 1 neighbors leaning further in the place's direction and 51 leaning the other way.
Politically, Platteville sits close to the rest of Wisconsin.
Politics vary noticeably by neighborhood within Platteville. The west side runs the most Democratic (D+10) and the northwest side runs the most Republican (R+24), a spread of about 34 points.
Why Platteville leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Platteville. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Platteville, WI sits in the top quarter nationally on this measure.
Why turnout in Platteville looks the way it does
Turnout in Platteville 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 Cities
- Bigpatch, WI R+34
- Cornelia, WI R+37
- Elk Grove, WI R+38
- Belmont, WI R+36
- Georgetown, WI R+38
- Cuba City, WI R+32
- Rewey, WI R+27
- Dickeyville, WI R+32
- Meekers Grove, WI R+39
- Tennyson, WI R+37
Cities with Similar Populations
- Wood Dale, IL R+6
- Healdsburg, CA D+51
- Benton, KY R+56
- Seven Oaks, SC D+12
- Tuscumbia, AL R+52
- Hampstead, MD R+29
- Spring Lake, MI R+8
- Silverton, OR R+14
- Ramsey, NJ Even
- Callahan, FL R+64
All Local Stats
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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.