East Troy leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 95% of adults in East Troy typically vote, above the U.S. average of about 62%. Among adults in East Troy, ~36% vote Democratic, ~59% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How East Troy compares
Among cities within 25 miles, East Troy leans more Republican than 36 of 101 neighbors.
East Troy runs about 23 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within East Troy. The southeast side is the most Republican-leaning (R+34) and the west side is the least Republican-leaning (R+21), a spread of about 13 points.
Why East Troy 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 East Troy, not a ranked or complete list of what matters most.
East Troy votes Republican even though it is densely developed (about 41%, well above the Wisconsin average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; East Troy, WI sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in East Troy looks the way it does
Areas with strong routine healthcare access turn out at higher rates. East Troy 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in East Troy have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Troy Center, WI R+29
- Potter Lake, WI R+29
- Eagleville, WI R+38
- Lauderdale, WI R+27
- Lake Beulah, WI R+33
- Eagle, WI R+40
- Bowers, WI R+39
- Honey Lake, WI R+37
- Mukwonago, WI R+31
- Little Prairie, WI R+41
Cities with Similar Populations
- Dudley, NC D+5
- Oak Ridge, NJ R+27
- Williamston, MI R+2
- Newton Falls, OH R+36
- Del Aire, CA D+28
- Woodstock, MD D+40
- Nine Mile Falls, WA R+38
- Honesdale, PA R+30
- Fort Lee, VA D+18
- Dunlap, TN R+67
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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.