Tioga is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 79% of adults in Tioga typically vote, above the U.S. average of about 62%. Among adults in Tioga, ~15% vote Democratic, ~64% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Tioga compares
Among cities within 25 miles, Tioga leans more Republican than 30 of 53 neighbors.
Tioga runs about 74 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Tioga is one of the few Republican-leaning pockets.
Why Tioga 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 Tioga, not a ranked or complete list of what matters most.
Tioga votes against the grain of Illinois. Illinois leans Democratic overall, while Tioga runs about 74 points more Republican. Rural areas with a high white share vote Republican. Non-Hispanic white share in Tioga is about 96%, well above similar-sized cities (around 77%).
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Tioga, IL does.
Why turnout in Tioga looks the way it does
Areas with high high-school completion turn out at higher rates. About 99% of adults in Tioga have completed high school, about 7 points above the Illinois average of 92%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lima, IL R+69
- Sutter, IL R+58
- West Point, IL R+63
- Loraine, IL R+69
- Ursa, IL R+70
- Mendon, IL R+64
- Elderville, IL R+60
- Basco, IL R+63
- Warsaw, IL R+44
- Canton, MO R+50
Cities with Similar Populations
- Slater, WY R+75
- Grand Ronde Agency, OR R+26
- Rapides, LA R+21
- Heathman, MS D+7
- Crane Lake, MN D+11
- Stuttgart, KS R+76
- Hereford, OR R+61
- Pine Glen, PA R+61
- Pearl Creek Colony, SD R+59
- Richmond, AL Even
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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.