Dorchester is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 59% of adults in Dorchester typically vote, near the U.S. average of about 62%. Among adults in Dorchester, ~15% vote Democratic, ~44% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How Dorchester compares
Among cities within 25 miles, Dorchester leans more Republican than 26 of 34 neighbors.
Dorchester runs about 50 points more Republican than Wisconsin as a whole.
Why Dorchester 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 Dorchester, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in Dorchester hold a bachelor's degree, about 15 points below the Wisconsin average of 26%.
Cholesterol-screening access and voter turnout
Places with low cholesterol-screening access tend to turn out at a lower rate; Dorchester, WI sits in the bottom tenth nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Dorchester looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dorchester is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 5% of homes in Dorchester have more than one occupant per room, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Abbotsford, WI R+37
- Stetsonville, WI R+55
- Curtiss, WI R+48
- Colby, WI R+41
- Little Black, WI R+50
- Milan, WI R+50
- Medford, WI R+39
- Owen, WI R+42
- Longwood, WI R+51
- Corinth, WI R+51
Cities with Similar Populations
- Columbus AFB, MS R+29
- Avoca, IA R+41
- Medon, TN R+47
- St. Clair Springs, AL R+45
- Mount Zion, GA R+65
- Mount Savage, MD R+56
- Moroni, UT R+66
- Bethesda, OH R+54
- Corinth, KY R+67
- Valley Falls, NY R+33
All Local Stats
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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.