Fountain Gap is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 82% of adults in Fountain Gap typically vote, above the U.S. average of about 62%. Among adults in Fountain Gap, ~20% vote Democratic, ~62% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Fountain Gap compares
Among cities within 25 miles, Fountain Gap leans more Republican than 125 of 147 neighbors.
Fountain Gap runs about 62 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Fountain Gap is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Fountain Gap. The southwest side is the most Republican-leaning (R+56) and the north side is the least Republican-leaning (R+34), a spread of about 22 points.
Why Fountain Gap 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 Fountain Gap, not a ranked or complete list of what matters most.
Fountain Gap votes against the grain of Illinois. Illinois leans Democratic overall, while Fountain Gap runs about 62 points more Republican. A high family-household share predicts Republican voting, and about 78% of households in Fountain Gap are family households, above 84% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Fountain Gap, 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 Fountain Gap looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Fountain Gap 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Foster Pond, IL R+50
- Valmeyer, IL R+56
- New Hanover, IL R+32
- Wartburg, IL R+52
- Columbia, IL R+30
- Waterloo, IL R+41
- Oakville, MO R+12
- Phelps, IL R+29
- Arnold, MO R+31
Cities with Similar Populations
- Cudjoe Key, FL R+33
- Sunderlinville, PA R+62
- Johnsville, KY R+60
- Eden, MN R+47
- Lutzville, PA R+58
- Seebert, WV R+51
- Moody, NY R+19
- Spades, IN R+61
- Welchs Creek, KY R+73
- Ovid, ID R+74
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.