Adams County leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 79% of adults in Adams County typically vote, above the U.S. average of about 62%. Among adults in Adams County, ~29% vote Democratic, ~50% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Adams County compares
Among counties within 50 miles, Adams County leans more Republican than 4 of 9 neighbors.
Adams County runs about 25 points more Republican than Wisconsin as a whole.
Why Adams 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 Adams County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 17% of adults in Adams County hold a bachelor's degree, about 9 points below the Wisconsin average of 26%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Adams County, WI sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Adams County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Adams 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 61%, above 58% of counties. Homeowners vote more often than renters, and about 87% of households in Adams County own their home, above 98% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Juneau County, WI R+31
- Marquette County, WI R+36
- Waushara County, WI R+33
- Sauk County, WI R+20
- Wood County, WI R+22
- Green Lake County, WI R+34
- Columbia County, WI R+17
- Portage County, WI R+7
- Monroe County, WI R+28
- Richland County, WI R+19
Counties with Similar Populations
- Jones County, IA R+27
- Hutchinson County, TX R+60
- Adams County, WA R+31
- Meriwether County, GA R+22
- Dukes County, MA D+41
- Conway County, AR R+47
- Barnwell County, SC R+13
- Allen County, KY R+64
- Buchanan County, IA R+36
- Kewaunee County, WI R+39
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.