East Cape Girardeau, IL Political Map | Democrat & Republican Areas in East Cape Girardeau

East Cape Girardeau is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.

 
East Cape Girardeau, IL block-group political-lean map
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About 65% of adults in East Cape Girardeau typically vote, near the U.S. average of about 62%. Among adults in East Cape Girardeau, ~15% vote Democratic, ~50% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.

East Cape Girardeau, IL block-group voter-turnout map
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How East Cape Girardeau compares

Among cities within 25 miles, East Cape Girardeau leans more Republican than 23 of 77 neighbors.

East Cape Girardeau runs about 64 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while East Cape Girardeau is one of the few Republican-leaning pockets.

Why East Cape Girardeau 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 East Cape Girardeau, not a ranked or complete list of what matters most.

East Cape Girardeau votes against the grain of Illinois. Illinois leans Democratic overall, while East Cape Girardeau runs about 64 points more Republican. Low college attainment predicts Republican voting, and East Cape Girardeau sits in the bottom quarter (about 13%, below 85% of cities).

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; East Cape Girardeau, IL sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in East Cape Girardeau looks the way it does

Turnout in East Cape Girardeau sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.

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.