Oak Forest, IL Political Map | Democrat & Republican Areas in Oak Forest

Oak Forest is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.

 
Oak Forest, IL block-group political-lean map
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D+100 D+50 Even R+50 R+100
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About 75% of adults in Oak Forest typically vote, above the U.S. average of about 62%. Among adults in Oak Forest, ~38% vote Democratic, ~38% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.

Oak Forest, IL block-group voter-turnout map
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0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Oak Forest compares

Among cities within 25 miles, Oak Forest sits roughly in the middle of the political spectrum, with 97 neighbors leaning further in the place's direction and 46 leaning the other way.

Oak Forest runs about 11 points more Republican than Illinois as a whole.

Politics vary noticeably by neighborhood within Oak Forest. The southeast side runs the most Democratic (D+12) and the northwest side runs the most Republican (R+11), a spread of about 23 points.

Why Oak Forest leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Oak Forest. The lean here lands roughly where demographic data alone would predict.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Oak Forest, 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 Oak Forest looks the way it does

Turnout in Oak Forest 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.