Cobden leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 69% of adults in Cobden typically vote, above the U.S. average of about 62%. Among adults in Cobden, ~20% vote Democratic, ~49% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Cobden compares
Among cities within 25 miles, Cobden leans more Republican than 21 of 78 neighbors.
Cobden runs about 54 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Cobden is one of the few Republican-leaning pockets.
Why Cobden 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 Cobden, not a ranked or complete list of what matters most.
Cobden votes Republican even though it is densely developed (about 24%, modestly below the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Cobden runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; Cobden, IL sits in the top tenth nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in Cobden looks the way it does
Turnout in Cobden 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
- Mountain Glen, IL R+50
- Anna, IL R+45
- Water Valley, IL R+44
- Jonesboro, IL R+48
- Saratoga, IL R+50
- Alto Pass, IL R+50
- Balcom, IL R+56
- Makanda, IL D+6
- Ware, IL R+56
- Lick Creek, IL R+53
Cities with Similar Populations
- Toomsuba, MS R+17
- Chico, TX R+75
- New London, MO R+59
- Marriott-Slaterville, UT R+55
- Linden, AZ R+55
- Lucas, OH R+53
- Butler, AL R+25
- Thomaston, NY D+17
- Manawa, WI R+43
- Sebree, KY R+60
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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.