Andersonville, Chicago, IL Political Map | Democrat & Republican Areas in Andersonville

Andersonville is a Democratic stronghold. About 92% of voters here vote Democratic and 8% Republican.

 
Andersonville, Chicago, IL block-group political-lean map
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About 63% of adults in Andersonville typically vote, near the U.S. average of about 62%. Among adults in Andersonville, ~58% vote Democratic, ~5% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.

Andersonville, Chicago, IL block-group voter-turnout map
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How Andersonville compares

Among neighborhoods within 5 miles, Andersonville is the most Democratic-leaning.

Andersonville runs about 73 points more Democratic than Illinois as a whole.

Why Andersonville leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Andersonville, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Andersonville live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Andersonville sits in the top quarter (about 68%, above 89% of neighborhoods). A high never-married share predicts Democratic voting, and about 50% of adults in Andersonville have never been married, above 81% of neighborhoods.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Andersonville, Chicago, IL sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Andersonville looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Andersonville is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. 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.