Thompson leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 94% of adults in Thompson typically vote, above the U.S. average of about 62%. Among adults in Thompson, ~31% vote Democratic, ~63% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Thompson compares
Among cities within 25 miles, Thompson leans more Republican than 49 of 102 neighbors.
Thompson runs about 33 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Thompson. The southwest side is the most Republican-leaning (R+45) and the north side is the least Republican-leaning (R+21), a spread of about 24 points.
Why Thompson 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 Thompson, not a ranked or complete list of what matters most.
Thompson votes Republican even though it is densely developed (about 21%, about 15 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 75% of households in Thompson are family households, above 75% of cities.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Thompson, WI sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Thompson looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Thompson 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hartford, WI R+29
- Saylesville, WI R+42
- Diefenbach Corners, WI R+37
- Rubicon, WI R+46
- Monches, WI R+41
- St. Lawrence, WI R+42
- Slinger, WI R+33
- Hubertus, WI R+35
- Richfield, WI R+37
- Neosho, WI R+50
Cities with Similar Populations
- Leo, SC R+19
- New Greenleaf, MI R+52
- Herron, MI R+47
- Slagle, MO R+66
- Marysburg, MN R+30
- Montgomery Center, VT R+18
- Plum Point, VA R+34
- Eldorado, NC R+69
- Arapaho, OK R+70
- Hainesville, NJ R+39
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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.