Sigel is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 83% of adults in Sigel typically vote, above the U.S. average of about 62%. Among adults in Sigel, ~12% vote Democratic, ~71% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Sigel compares
Among cities within 25 miles, Sigel leans more Republican than 52 of 61 neighbors.
Sigel runs about 81 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Sigel is one of the few Republican-leaning pockets.
Why Sigel 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 Sigel, not a ranked or complete list of what matters most.
Sigel votes against the grain of Illinois. Illinois leans Democratic overall, while Sigel runs about 81 points more Republican.
Population density and Republican lean
Places with low population density tend to lean Republican; Sigel, IL sits below the national average on this measure.
Why turnout in Sigel looks the way it does
Homeowners vote more often than renters. About 91% of households in Sigel own their home, about 12 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 97% of adults in Sigel have completed high school, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Green Creek, IL R+67
- Neoga, IL R+57
- Trowbridge, IL R+67
- Montrose, IL R+70
- Teutopolis, IL R+60
- Woodbury, IL R+70
- Stewardson, IL R+65
- Lillyville, IL R+56
- Effingham, IL R+47
- Trilla, IL R+60
Cities with Similar Populations
- New Park, PA R+54
- Ipswich, SD R+57
- Summerland, CA D+38
- Hanover, IL R+29
- Alton, IA R+54
- Odebolt, IA R+52
- East Rochester, OH R+57
- Spring Church, PA R+56
- Levering, MI R+27
- Francisco, IN R+57
All Local Stats
Home Services
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.