Fiatt, IL Political Map | Democrat & Republican Areas in Fiatt

Fiatt leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.

 
Fiatt, IL block-group political-lean map
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About 81% of adults in Fiatt typically vote, above the U.S. average of about 62%. Among adults in Fiatt, ~24% vote Democratic, ~56% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.

Fiatt, IL block-group voter-turnout map
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How Fiatt compares

Among cities within 25 miles, Fiatt leans more Republican than 22 of 68 neighbors.

Fiatt runs about 51 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Fiatt is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Fiatt. The west side is the most Republican-leaning (R+55) and the east side is the least Republican-leaning (R+37), a spread of about 18 points.

Why Fiatt 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 Fiatt, not a ranked or complete list of what matters most.

Fiatt votes against the grain of Illinois. Illinois leans Democratic overall, while Fiatt runs about 51 points more Republican. Car-dependent areas vote Republican, and about 86% of residents in Fiatt drive to work alone, above 86% of cities. A high family-household share predicts Republican voting, and about 80% of households in Fiatt are family households, above 89% of cities.

Population density and Republican lean

Places with low population density tend to lean Republican; Fiatt, IL sits below the national average on this measure.

Why turnout in Fiatt looks the way it does

Areas with high high-school completion turn out at higher rates. About 96% of adults in Fiatt have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.