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

Blandinsville leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.

 
Blandinsville, IL block-group political-lean map
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About 97% of adults in Blandinsville typically vote, above the U.S. average of about 62%. Among adults in Blandinsville, ~27% vote Democratic, ~70% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Blandinsville leans more Republican than 21 of 62 neighbors.

Blandinsville runs about 55 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Blandinsville is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Blandinsville. The southwest side is the most Republican-leaning (R+58) and the west side is the least Republican-leaning (R+37), a spread of about 21 points.

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

Blandinsville votes against the grain of Illinois. Illinois leans Democratic overall, while Blandinsville runs about 55 points more Republican. Dense places usually vote Democratic, but Blandinsville runs against that pattern.

Park access and Republican lean

Places with low park coverage tend to lean Republican; Blandinsville, IL sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.

Why turnout in Blandinsville looks the way it does

Turnout in Blandinsville 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.

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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.