Flagg Center leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 87% of adults in Flagg Center typically vote, above the U.S. average of about 62%. Among adults in Flagg Center, ~30% vote Democratic, ~57% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Flagg Center compares
Among cities within 25 miles, Flagg Center leans more Republican than 25 of 67 neighbors.
Flagg Center runs about 44 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Flagg Center is one of the few Republican-leaning pockets.
Why Flagg Center 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 Flagg Center, not a ranked or complete list of what matters most.
Flagg Center votes against the grain of Illinois. Illinois leans Democratic overall, while Flagg Center runs about 44 points more Republican.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Flagg Center, IL sits in the top tenth nationally on this measure.
Why turnout in Flagg Center looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in Flagg Center have completed high school, about 6 points above the Illinois average of 92%. Homeowners vote more often than renters, and about 92% of households in Flagg Center own their home, about 16 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Paynes Point, IL R+40
- Rochelle, IL R+18
- Hillcrest, IL R+17
- Chana, IL R+39
- Ashton, IL R+42
- White Rock, IL R+37
- Honey Creek, IL R+34
- Creston, IL R+29
- Holcomb, IL R+34
- Lindenwood, IL R+41
Cities with Similar Populations
- Williamsville, MA R+10
- Dennard, AR R+63
- Shiloh, NC R+54
- Burgess, MI R+10
- Walnut Bottom, PA R+54
- Payne Beach, NY R+23
- Panama, IL R+51
- Centre, PA R+58
- Riverdale, OH R+64
- Damascus, OH R+56
All Local Stats
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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.