Butler, IL Political Map | Democrat & Republican Areas in Butler

Butler is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.

 
Butler, IL block-group political-lean map
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About 77% of adults in Butler typically vote, above the U.S. average of about 62%. Among adults in Butler, ~19% vote Democratic, ~58% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.

Butler, IL block-group voter-turnout map
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How Butler compares

Among cities within 25 miles, Butler leans more Republican than 34 of 65 neighbors.

Butler runs about 63 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Butler is one of the few Republican-leaning pockets.

Why Butler 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 Butler, not a ranked or complete list of what matters most.

Butler votes against the grain of Illinois. Illinois leans Democratic overall, while Butler runs about 63 points more Republican. Car-dependent areas vote Republican, and about 86% of residents in Butler drive to work alone, above 83% of cities.

Never-married share, developed land, and voter turnout

Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Butler, IL does.

Why turnout in Butler looks the way it does

Homeowners vote more often than renters. About 93% of households in Butler own their home, about 13 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.