Hannibal leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 71% of adults in Hannibal typically vote, above the U.S. average of about 62%. Among adults in Hannibal, ~18% vote Democratic, ~53% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Hannibal compares
Among cities within 25 miles, Hannibal leans more Republican than 14 of 30 neighbors.
Hannibal runs about 48 points more Republican than Wisconsin as a whole.
Why Hannibal 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 Hannibal, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Hannibal live in densely developed areas, about 21 points below the Wisconsin average of 24%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Hannibal, WI sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Hannibal looks the way it does
Homeowners vote more often than renters. About 94% of households in Hannibal own their home, about 14 points above the Wisconsin average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Jump River, WI R+49
- Whittlesey, WI R+51
- Medford, WI R+39
- Chelsea, WI R+51
- Perkinstown, WI R+49
- Little Black, WI R+50
- Westboro, WI R+49
- Stetsonville, WI R+55
- Longwood, WI R+51
- Rib Lake, WI R+51
Cities with Similar Populations
- Alluwe, OK R+66
- Unicorn, PA R+58
- Catherine, AL D+63
- Papineau, IL R+51
- Minnie, WV R+65
- Tisdale, KS R+70
- Thomaston, IN R+45
- Thurman, NY R+26
- Cardwell, MT R+59
- Palisades, TX R+74
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.