Red Oak leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 89% of adults in Red Oak typically vote, above the U.S. average of about 62%. Among adults in Red Oak, ~24% vote Democratic, ~65% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Red Oak compares
Among cities within 25 miles, Red Oak leans more Republican than 47 of 58 neighbors.
Red Oak runs about 56 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Red Oak is one of the few Republican-leaning pockets.
Why Red Oak 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 Red Oak, not a ranked or complete list of what matters most.
Red Oak votes against the grain of Illinois. Illinois leans Democratic overall, while Red Oak runs about 56 points more Republican. A high family-household share predicts Republican voting, and about 78% of households in Red Oak are family households, above 84% of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Red Oak, IL sits in the top tenth nationally on this measure.
Why turnout in Red Oak looks the way it does
Homeowners vote more often than renters. About 94% of households in Red Oak own their home, about 15 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Buena Vista, IL R+45
- Cedarville, IL R+37
- Scioto Mills, IL R+37
- Mc Connell, IL R+47
- Orangeville, IL R+43
- Eleroy, IL R+41
- Dakota, IL R+44
- Lena, IL R+43
- Freeport, IL D+3
- Winslow, IL R+49
Cities with Similar Populations
- Gibbstown, LA R+80
- Yaak, MT R+52
- South Fork, CA R+23
- Cohansey, NJ R+37
- Cool Spring, DE R+9
- Colton, NE R+74
- Spruce Center, MN R+53
- Nolo, PA R+63
- Nodaway, IA R+48
- Stoneboro, SC R+39
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.