Marinette County leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 83% of adults in Marinette County typically vote, above the U.S. average of about 62%. Among adults in Marinette County, ~27% vote Democratic, ~56% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Marinette County compares
Among counties within 50 miles, Marinette County leans more Republican than 4 of 7 neighbors.
Marinette County runs about 33 points more Republican than Wisconsin as a whole.
Politics vary noticeably by city within Marinette County. The south side is the most Republican-leaning (R+45) and the southeast side is the least Republican-leaning (R+24), a spread of about 20 points.
Why Marinette County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Marinette County. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Marinette County, 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 Marinette County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marinette 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 65%, above 76% of counties. Homeowners vote more often than renters, and about 82% of households in Marinette County own their home, above 86% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Menominee County, MI R+30
- Oconto County, WI R+40
- Door County, WI R+3
- Dickinson County, MI R+25
- Menominee County, WI D+59
- Florence County, WI R+41
- Kewaunee County, WI R+39
- Shawano County, WI R+35
- Brown County, WI R+4
- Forest County, WI R+33
Counties with Similar Populations
- Oconee County, GA R+41
- Gratiot County, MI R+28
- Fayette County, TN R+33
- Clinton County, OH R+53
- Crawford County, OH R+51
- Cooke County, TX R+57
- McClain County, OK R+60
- Nez Perce County, ID R+35
- Okanogan County, WA R+16
- Baxter County, AR R+51
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.