Thompsonville leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 73% of adults in Thompsonville typically vote, above the U.S. average of about 62%. Among adults in Thompsonville, ~23% vote Democratic, ~49% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Thompsonville compares
Among cities within 25 miles, Thompsonville leans more Republican than 29 of 43 neighbors.
Thompsonville runs about 34 points more Republican than Michigan as a whole.
Politics vary noticeably by neighborhood within Thompsonville. The southeast side is the most Republican-leaning (R+39) and the west side is the least Republican-leaning (R+25), a spread of about 13 points.
Why Thompsonville 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 Thompsonville, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Thompsonville live in densely developed areas, about 26 points below the Michigan average of 31%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Thompsonville, MI sits above the national average 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 Thompsonville looks the way it does
Turnout in Thompsonville sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wallin, MI R+37
- Copemish, MI R+39
- Pomona, MI R+40
- Harlan, MI R+44
- Karlin, MI R+36
- Benzonia, MI R+11
- Beulah, MI R+12
- Interlochen, MI R+15
- Bear Lake, MI R+21
- Honor, MI R+5
Cities with Similar Populations
- Blanchard, ID R+58
- Salisbury, PA R+66
- New Springfield, OH R+46
- Francesville, IN R+55
- Harts, WV R+73
- Converse, IN R+57
- Livermore, ME R+36
- West Valley, NY R+43
- Plentywood, MT R+57
- Idria, CA R+19
Sources and methodology
Precinct-level voting records used to fit the model come from Michigan Department of State, Elections, 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.