Holiday Shores leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 98% of adults in Holiday Shores typically vote, above the U.S. average of about 62%. Among adults in Holiday Shores, ~31% vote Democratic, ~67% Republican, and ~2% don't vote. The map below shows estimated turnout by block group.
How Holiday Shores compares
Among cities within 25 miles, Holiday Shores leans more Republican than 74 of 128 neighbors.
Holiday Shores runs about 46 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Holiday Shores is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Holiday Shores. The north side is the most Republican-leaning (R+39) and the northeast side is the least Republican-leaning (R+28), a spread of about 11 points.
Why Holiday Shores 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 Holiday Shores, not a ranked or complete list of what matters most.
Holiday Shores votes against the grain of Illinois. Illinois leans Democratic overall, while Holiday Shores runs about 46 points more Republican.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Holiday Shores, IL does.
Why turnout in Holiday Shores looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Holiday Shores 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%. High high-school completion lines up with higher turnout, and about 97% of adults in Holiday Shores have completed high school, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Moro, IL R+35
- Worden, IL R+41
- Wanda, IL R+29
- Dorsey, IL R+39
- Bethalto, IL R+27
- Hamel, IL R+44
- Edwardsville, IL D+6
- Fosterburg, IL R+42
- Cottage Hills, IL R+24
- Rosewood Heights, IL R+30
Cities with Similar Populations
- Rabbittown, AL R+81
- Georgetown, MT R+32
- Thedford, NE R+82
- Westwood, IN R+52
- Teasdale, MS R+68
- Hillsdale, WI R+44
- Fultz, KY R+62
- Hinkledale, TN R+69
- New Hope, VA R+56
- Point, LA R+87
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.