Lily Lake leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 93% of adults in Lily Lake typically vote, above the U.S. average of about 62%. Among adults in Lily Lake, ~39% vote Democratic, ~54% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Lily Lake compares
Among cities within 25 miles, Lily Lake leans more Republican than 71 of 101 neighbors.
Lily Lake runs about 26 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Lily Lake is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Lily Lake. The west side is the most Republican-leaning (R+37) and the east side is the least Republican-leaning (R+3), a spread of about 34 points.
Why Lily Lake 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 Lily Lake, not a ranked or complete list of what matters most.
Lily Lake votes Republican even though it is densely developed (about 46%, modestly above the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Lily Lake 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; Lily Lake, IL sits in the top tenth 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 Lily Lake looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lily Lake 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Lily Lake own their home, about 20 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Lily Lake have completed high school, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wasco, IL R+37
- Campton Hills, IL R+14
- Elburn, IL R+14
- Virgil, IL R+32
- Lafox, IL R+6
- Richardson, IL R+33
- Maple Park, IL R+29
- Burlington, IL R+37
- North Plato, IL R+23
- St. Charles, IL D+6
Cities with Similar Populations
- Owyhee, NV D+59
- Norwich, OH R+53
- Bowmanstown, PA R+40
- Mitchell, MS R+86
- McCords, MI R+13
- Climax Springs, MO R+60
- Blumenthal, TX R+60
- Marston, TX R+61
- Lostine, OR R+26
- Warwick, MD R+38
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.