Orland Hills is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 71% of adults in Orland Hills typically vote, above the U.S. average of about 62%. Among adults in Orland Hills, ~35% vote Democratic, ~36% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Orland Hills compares
Among cities within 25 miles, Orland Hills sits roughly in the middle of the political spectrum, with 100 neighbors leaning further in the place's direction and 44 leaning the other way.
Orland Hills runs about 13 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Orland Hills sits closer to the political middle.
Politics vary noticeably by neighborhood within Orland Hills. The northwest side runs the most Democratic (D+20) and the east side runs the most Republican (R+14), a spread of about 34 points.
Why Orland 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 Orland Hills, not a ranked or complete list of what matters most.
Orland Hills votes against the grain of Illinois. Illinois leans Democratic overall, while Orland Hills runs about 13 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Orland 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 Orland Hills looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Orland Hills have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Orland Park, IL R+9
- Tinley Park, IL R+4
- Oak Forest, IL Even
- Mokena, IL R+17
- Palos Park, IL R+8
- Frankfort Square, IL R+13
- Palos Heights, IL R+8
- Homer Glen, IL R+27
- Crestwood, IL D+5
- Country Club Hills, IL D+79
Cities with Similar Populations
- Mountville, PA R+5
- Glenarden, MD D+81
- Pine Lake Park, NJ R+25
- Imlay City, MI R+38
- Newland, NC R+52
- Mount Carmel, IL R+45
- Port Richey, FL R+27
- Eaton, CO R+39
- Nebraska City, NE R+30
- Blandon, PA R+18
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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.