Lyons leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 56% of adults in Lyons typically vote, below the U.S. average of about 62%. Among adults in Lyons, ~32% vote Democratic, ~24% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Lyons compares
Among cities within 25 miles, Lyons leans more Democratic than 73 of 167 neighbors.
Politically, Lyons sits close to the rest of Illinois.
Politics vary noticeably by neighborhood within Lyons. The north side is the most Democratic-leaning (D+26) and the southwest side is the least Democratic-leaning (D+6), a spread of about 21 points.
Why Lyons 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 Lyons, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 91% of residents in Lyons live in densely developed areas, about 55 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 32% of adults in Lyons have never been married, above 81% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Lyons, IL sits in the top tenth nationally on this measure.
Why turnout in Lyons looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Lyons is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 33% of households in Lyons rent, above 88% of cities. High food insecurity lines up with lower turnout, and about 22% of adults in Lyons report food insecurity, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- McCook, IL R+17
- Riverside, IL D+39
- Brookfield, IL D+23
- Forest View, IL R+14
- Stickney, IL D+16
- Summit, IL D+24
- North Riverside, IL D+18
- La Grange Park, IL D+34
- Bedford Park, IL R+10
- La Grange, IL D+31
Cities with Similar Populations
- Saddlebrooke, AZ R+8
- Shallotte, NC R+40
- Tallassee, AL R+52
- Sheboygan Falls, WI R+22
- Littlestown, PA R+44
- Munhall, PA D+17
- Centerville, MA D+11
- Crestwood, IL D+5
- North Haledon, NJ R+20
- La Feria, TX R+4
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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.