Sheboygan County leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 80% of adults in Sheboygan County typically vote, above the U.S. average of about 62%. Among adults in Sheboygan County, ~34% vote Democratic, ~46% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Sheboygan County compares
Among counties within 50 miles, Sheboygan County leans more Republican than 4 of 9 neighbors.
Sheboygan County runs about 14 points more Republican than Wisconsin as a whole.
Politics vary noticeably by city within Sheboygan County. The east side runs the most Democratic (D+4) and the southwest side runs the most Republican (R+42), a spread of about 46 points.
Why Sheboygan County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sheboygan County, not a ranked or complete list of what matters most.
Sheboygan County votes Republican even though it is densely developed (about 57%, far above the Wisconsin average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Sheboygan County, WI sits in the top quarter 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 Sheboygan County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sheboygan County 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 67%, about 7 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Manitowoc County, WI R+24
- Ozaukee County, WI R+7
- Washington County, WI R+28
- Fond du Lac County, WI R+23
- Calumet County, WI R+23
- Winnebago County, WI R+3
- Milwaukee County, WI D+41
- Outagamie County, WI R+13
- Dodge County, WI R+30
- Waukesha County, WI R+14
Counties with Similar Populations
- Missoula County, MT D+16
- Lowndes County, GA Even
- Potter County, TX R+19
- Oswego County, NY R+23
- Wayne County, NC R+7
- Douglas County, KS D+35
- Gallatin County, MT D+6
- Carroll County, GA R+35
- Wayne County, OH R+42
- Fayette County, GA R+4
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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.