Bonfield is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 76% of adults in Bonfield typically vote, above the U.S. average of about 62%. Among adults in Bonfield, ~19% vote Democratic, ~57% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Bonfield compares
Among cities within 25 miles, Bonfield leans more Republican than 64 of 73 neighbors.
Bonfield runs about 61 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Bonfield is one of the few Republican-leaning pockets.
Why Bonfield 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 Bonfield, not a ranked or complete list of what matters most.
Bonfield votes against the grain of Illinois. Illinois leans Democratic overall, while Bonfield runs about 61 points more Republican. A high family-household share predicts Republican voting, and about 84% of households in Bonfield are family households, above 96% of cities.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Bonfield, IL sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Bonfield looks the way it does
Homeowners vote more often than renters. About 90% of households in Bonfield own their home, about 11 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Goodrich, IL R+48
- Lehigh, IL R+48
- Limestone, IL R+46
- Ritchie, IL R+48
- Union Hill, IL R+50
- Essex, IL R+47
- Greenwich, IL R+41
- Flickerville, IL R+43
- Herscher, IL R+44
- Irwin, IL R+47
Cities with Similar Populations
- Blackstock, SC R+35
- Bloomington, WI R+42
- Pickton, TX R+79
- Gas Point, CA R+51
- Brunswick, MO R+52
- Kingsley, PA R+51
- Vanlue, OH R+55
- North Brevard, NC Even
- Varna, IL R+43
- 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 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.