Centerville is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 53% of adults in Centerville typically vote, below the U.S. average of about 62%. Among adults in Centerville, ~8% vote Democratic, ~45% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Centerville compares
Among cities within 25 miles, Centerville leans more Republican than 48 of 62 neighbors.
Centerville runs about 81 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Centerville is one of the few Republican-leaning pockets.
Why Centerville 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 Centerville, not a ranked or complete list of what matters most.
Centerville votes against the grain of Illinois. Illinois leans Democratic overall, while Centerville runs about 81 points more Republican.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Centerville, IL sits below 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 Centerville looks the way it does
Turnout in Centerville 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
- Crossville, IL R+68
- Burnt Prairie, IL R+68
- Carmi, IL R+52
- Epworth, IL R+67
- Herald, IL R+56
- Grayville, IL R+68
- Mill Shoals, IL R+68
- Maunie, IL R+68
- Enfield, IL R+67
Cities with Similar Populations
- Alfordsville, IN R+70
- Elamville, AL R+19
- Elba, LA R+82
- Moro Bay, AR R+59
- Emmons, WV R+54
- Voss, ND R+56
- Straight Mountain, AL R+83
- Stranger, TX R+70
- Streeter, TX R+66
- Disco, IL R+57
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Illinois State Board of 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.