Heyworth leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 97% of adults in Heyworth typically vote, above the U.S. average of about 62%. Among adults in Heyworth, ~30% vote Democratic, ~67% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Heyworth compares
Among cities within 25 miles, Heyworth leans more Republican than 11 of 50 neighbors.
Heyworth runs about 49 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Heyworth is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Heyworth. The southeast side is the most Republican-leaning (R+48) and the north side is the least Republican-leaning (R+36), a spread of about 12 points.
Why Heyworth 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 Heyworth, not a ranked or complete list of what matters most.
Heyworth votes against the grain of Illinois. Illinois leans Democratic overall, while Heyworth runs about 49 points more Republican. Dense places usually vote Democratic, but Heyworth runs against that pattern. A high family-household share predicts Republican voting, and about 81% of households in Heyworth are family households, above 91% of cities.
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 Heyworth, IL does.
Why turnout in Heyworth looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Heyworth 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Heyworth have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Randolph, IL R+34
- Wapella, IL R+53
- Downs, IL R+32
- Shirley, IL R+22
- Waynesville, IL R+53
- Holder, IL R+30
- McLean, IL R+41
- Bloomington, IL D+11
- Le Roy, IL R+35
- Clinton, IL R+36
Cities with Similar Populations
- Johnson Creek, WI R+29
- Boyce, LA R+32
- Gladwyne, PA D+32
- Arcadia, WI R+20
- Alamo, GA R+19
- Oroville, WA R+42
- Forty Fort, PA R+5
- Palo Cedro, CA R+42
- Hanover, MN R+25
- Carrollton, MO R+55
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.