Plum City leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 64% of adults in Plum City typically vote, near the U.S. average of about 62%. Among adults in Plum City, ~18% vote Democratic, ~45% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Plum City compares
Among cities within 25 miles, Plum City leans more Republican than 46 of 49 neighbors.
Plum City runs about 41 points more Republican than Wisconsin as a whole.
Why Plum City leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Plum City. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Plum City, WI sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Plum City looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Plum City 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ono, WI R+39
- Maiden Rock, WI R+37
- Arkansaw, WI R+32
- Rock Elm, WI R+35
- Waverly, WI R+39
- Stockholm, WI R+19
- Warrentown, WI R+34
- Ella, WI R+33
- Elmwood, WI R+31
Cities with Similar Populations
- Hart, TX R+39
- Curtis, TX R+49
- Maysville, WV R+83
- Rockford, IA R+41
- Beach, ND R+69
- Velda City, MO D+87
- Brockport, PA R+48
- Lometa, TX R+53
- Natural Bridge Station, VA R+59
- Denaro, VA R+45
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.