Oakwood Hills, IL Political Map | Democrat & Republican Areas in Oakwood Hills

By the BestNeighborhood data science team. Last updated May 2026.

Oakwood Hills leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 

About 83% of adults in Oakwood Hills typically vote, above the U.S. average of about 62%. Among adults in Oakwood Hills, ~37% vote Democratic, ~45% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.

How Oakwood Hills compares

Among cities within 25 miles, Oakwood Hills leans more Republican than 100 of 146 neighbors.

Oakwood Hills runs about 21 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Oakwood Hills is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Oakwood Hills. The southwest side runs the most Democratic (D+8) and the northwest side runs the most Republican (R+11), a spread of about 19 points.

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

Oakwood Hills votes Republican even though it is densely developed (about 49%, well above the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Oakwood Hills runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.

Preventive-care access and voter turnout

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

Areas with strong routine healthcare access turn out at higher rates. Oakwood Hills 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 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Oakwood Hills own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Oakwood Hills have completed high school, above 82% of cities. 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.