Bloomington leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 71% of adults in Bloomington typically vote, above the U.S. average of about 62%. Among adults in Bloomington, ~20% vote Democratic, ~50% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Bloomington compares
Among cities within 25 miles, Bloomington leans more Republican than 38 of 61 neighbors.
Bloomington runs about 41 points more Republican than Wisconsin as a whole.
Why Bloomington leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Bloomington. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Bloomington, WI sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Bloomington looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Bloomington have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Patch Grove, WI R+41
- Glen Haven, WI R+45
- Beetown, WI R+46
- Mount Hope, WI R+43
- Brodtville, WI R+43
- Bagley, WI R+43
- Kieler, WI R+43
- Mount Ida, WI R+43
- Cassville, WI R+38
Cities with Similar Populations
- Blackstock, SC R+35
- Pickton, TX R+79
- Gas Point, CA R+51
- Bonfield, IL R+50
- Brunswick, MO R+52
- Varna, IL R+43
- North Brevard, NC Even
- Kingsley, PA R+51
- Cromwell, KY R+69
- Richardton, ND R+72
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.