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

Melvin is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.

 
Melvin, IL block-group political-lean map
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About 64% of adults in Melvin typically vote, near the U.S. average of about 62%. Among adults in Melvin, ~14% vote Democratic, ~50% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Melvin leans more Republican than 36 of 54 neighbors.

Melvin runs about 67 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Melvin is one of the few Republican-leaning pockets.

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

Melvin votes against the grain of Illinois. Illinois leans Democratic overall, while Melvin runs about 67 points more Republican.

Walkability and Republican lean

Places with a low walkability score tend to lean Republican; Melvin, IL sits in the bottom tenth 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 Melvin looks the way it does

Turnout in Melvin 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.

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.