Seaton leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 71% of adults in Seaton typically vote, above the U.S. average of about 62%. Among adults in Seaton, ~19% vote Democratic, ~52% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Seaton compares
Among cities within 25 miles, Seaton leans more Republican than 49 of 55 neighbors.
Seaton runs about 57 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Seaton is one of the few Republican-leaning pockets.
Why Seaton 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 Seaton, not a ranked or complete list of what matters most.
Seaton votes against the grain of Illinois. Illinois leans Democratic overall, while Seaton runs about 57 points more Republican. Rural areas with a high white share vote Republican. Non-Hispanic white share in Seaton is about 94%, about 21 points above the U.S. average of 72%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Seaton, 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 Seaton looks the way it does
Homeowners vote more often than renters. About 92% of households in Seaton own their home, about 12 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sunbeam, IL R+39
- Keithsburg, IL R+41
- Aledo, IL R+28
- Little York, IL R+44
- Joy, IL R+50
- Burgess, IL R+35
- Millersburg, IL R+50
- Oquawka, IL R+37
- Alexis, IL R+38
- Oakville, IA R+48
Cities with Similar Populations
- Valley Mills, NY R+43
- Casselman, PA R+73
- Petross, GA R+57
- Barber, AL R+68
- Bentley, OK R+77
- Sparta, MS R+9
- Prescott, IA R+54
- Ste. Marie, IL R+71
- Flo, TX R+63
- Spruce Creek, PA R+51
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.