Ridgeland, Oak Park, IL Political Map | Democrat & Republican Areas in Ridgeland

Ridgeland is a Democratic stronghold. About 91% of voters here vote Democratic and 9% Republican.

 
Ridgeland, Oak Park, IL block-group political-lean map
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About 83% of adults in Ridgeland typically vote, above the U.S. average of about 62%. Among adults in Ridgeland, ~75% vote Democratic, ~8% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.

Ridgeland, Oak Park, IL block-group voter-turnout map
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How Ridgeland compares

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

Ridgeland runs about 71 points more Democratic than Illinois as a whole.

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

Dense areas vote Democratic. More than 99% of residents in Ridgeland live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Ridgeland sits in the top quarter (about 72%, above 92% of neighborhoods).

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Ridgeland, Oak Park, IL sits in the top 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 Ridgeland looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Ridgeland 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 71%, about 11 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.