Park Forest is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 67% of adults in Park Forest typically vote, near the U.S. average of about 62%. Among adults in Park Forest, ~57% vote Democratic, ~11% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Park Forest compares
Among cities within 25 miles, Park Forest leans more Democratic than 110 of 128 neighbors.
Park Forest runs about 58 points more Democratic than Illinois as a whole.
Politics vary noticeably by neighborhood within Park Forest. The north side is the most Democratic-leaning (D+74) and the south side is the least Democratic-leaning (D+62), a spread of about 12 points.
Why Park Forest 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 Park Forest, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in Park Forest live in densely developed areas, about 55 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 42% of adults in Park Forest have never been married, above 95% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Park Forest, IL sits in the top 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 Park Forest looks the way it does
Turnout in Park 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.
Nearby Cities
- Richton Park, IL D+79
- South Chicago Heights, IL D+15
- Olympia Fields, IL D+77
- Steger, IL D+30
- Chicago Heights, IL D+50
- University Park, IL D+71
- Matteson, IL D+70
- Flossmoor, IL D+72
- Homewood, IL D+60
- Crete, IL D+19
Cities with Similar Populations
- Bay City, TX R+20
- Parma Heights, OH D+3
- Deming, NM R+17
- Fort Bragg, NC Even
- Woodinville, WA D+32
- Meadowbrook, VA D+45
- Silverdale, WA D+9
- Dallas, OR R+17
- Northdale, FL R+5
- East Providence, RI D+12
All Local Stats
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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.