Coffeen is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 62% of adults in Coffeen typically vote, near the U.S. average of about 62%. Among adults in Coffeen, ~15% vote Democratic, ~47% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Coffeen compares
Among cities within 25 miles, Coffeen leans more Republican than 26 of 62 neighbors.
Coffeen runs about 63 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Coffeen is one of the few Republican-leaning pockets.
Why Coffeen 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 Coffeen, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Coffeen drive to work alone, about 14 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Coffeen sits in the bottom quarter (about 15%, below 79% of cities). Coffeen runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; Coffeen, IL sits in the bottom tenth nationally on this measure.
Why turnout in Coffeen looks the way it does
Turnout in Coffeen 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
- Fillmore, IL R+56
- Donnellson, IL R+49
- Taylor Springs, IL R+21
- Van Burensburg, IL R+56
- Schram City, IL R+52
- Hillsboro, IL R+37
- Panama, IL R+51
- Irving, IL R+63
- Woburn, IL R+42
- Bingham, IL R+65
Cities with Similar Populations
- Wataga, IL R+30
- Aroda, VA R+31
- Rosemount, OH R+41
- Bentley, MI R+50
- Mount Selman, TX R+74
- Hixton, WI R+38
- Eastborough, KS D+7
- Green Hill, TX R+66
- Vaughan, MS R+16
- Verden, OK R+68
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.