Plainfield leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 61% of adults in Plainfield typically vote, near the U.S. average of about 62%. Among adults in Plainfield, ~20% vote Democratic, ~41% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Plainfield compares
Among cities within 25 miles, Plainfield leans more Republican than 35 of 48 neighbors.
Plainfield runs about 34 points more Republican than Wisconsin as a whole.
Why Plainfield leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Plainfield, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in Plainfield hold a bachelor's degree, about 14 points below the Wisconsin average of 26%.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; Plainfield, WI sits in the bottom quarter nationally on this measure.
Why turnout in Plainfield looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Plainfield 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 63%, above 59% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hancock, WI R+37
- Bancroft, WI R+35
- Almond, WI R+36
- Heffron, WI R+36
- Keene, WI R+32
- Blaine, WI R+33
- Richford, WI R+40
- Coloma, WI R+37
- Cranmoor, WI R+35
- Wild Rose, WI R+31
Cities with Similar Populations
- Panguitch, UT R+62
- Cambria, WI R+36
- Grindstone, PA R+44
- National City, MI R+38
- Bennet, NE R+40
- Coyle, OK R+54
- Pickens, MS D+57
- Laguna Park, TX R+65
- Kerens, TX R+48
- Ridgely, TN R+45
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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.