Oak Forest is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 71% of adults in Oak Forest typically vote, above the U.S. average of about 62%. Among adults in Oak Forest, ~11% vote Democratic, ~59% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Oak Forest compares
Among cities within 25 miles, Oak Forest leans more Republican than 70 of 79 neighbors.
Oak Forest runs about 48 points more Republican than Indiana as a whole.
Why Oak 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 Oak Forest, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Oak Forest, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 5 points below the Indiana average of 22%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Oak Forest, IN sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Oak Forest looks the way it does
Turnout in Oak Forest sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Brookville, IN R+61
- Metamora, IN R+69
- Peppertown, IN R+63
- New Fairfield, IN R+66
- Morris, IN R+63
- Penntown, IN R+62
- Oldenburg, IN R+59
- Whitcomb, IN R+66
- St. Leon, IN R+65
Cities with Similar Populations
- Alchesay Flat, AZ D+6
- Lancaster, IN R+61
- Harmon, OK R+78
- Lemington, WI R+37
- Summertown, GA R+21
- East Waterford, ME R+20
- East Union, ME R+21
- Boone, NE R+71
- Branchville, TN R+72
- Kintyre, ND R+76
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Indiana Secretary of State, 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.