Waterville leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About more than 99% of adults in Waterville typically vote, above the U.S. average of about 62%. Among adults in Waterville, ~36% vote Democratic, ~70% Republican, and ~-6% don't vote. The map below shows estimated turnout by block group.
How Waterville compares
Among cities within 25 miles, Waterville leans more Republican than 55 of 94 neighbors.
Waterville runs about 32 points more Republican than Wisconsin as a whole.
Why Waterville 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 Waterville, not a ranked or complete list of what matters most.
Waterville votes Republican even though it is densely developed (about 24%, about 12 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 81% of households in Waterville are family households, above 91% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Waterville, WI sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Waterville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Waterville 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 98% of households in Waterville own their home, about 23 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Waterville have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wales, WI R+31
- Dousman, WI R+31
- Delafield, WI R+17
- Genesee Depot, WI R+33
- North Prairie, WI R+40
- Genesee, WI R+36
- Summit Corners, WI R+33
- Nashotah, WI R+19
- Oconomowoc Lake, WI R+26
- Okauchee Lake, WI R+17
Cities with Similar Populations
- Yosemite, KY R+76
- Copeland, ID R+65
- Point Hope, AK D+21
- Ellenburg Depot, NY R+35
- Moran, KS R+58
- Arlington, IN R+60
- Riverview, OR R+28
- Stonefort, IL R+66
- Helm, MO R+69
- Manns Harbor, NC R+57
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.