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

Jewett is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.

 
Jewett, IL block-group political-lean map
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About 74% of adults in Jewett typically vote, above the U.S. average of about 62%. Among adults in Jewett, ~14% vote Democratic, ~60% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Jewett leans more Republican than 25 of 58 neighbors.

Jewett runs about 73 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Jewett is one of the few Republican-leaning pockets.

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

Jewett votes against the grain of Illinois. Illinois leans Democratic overall, while Jewett runs about 73 points more Republican. A high family-household share predicts Republican voting, and about 77% of households in Jewett are family households, above 83% of cities.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Jewett, IL sits above the national average on this measure.

Why turnout in Jewett looks the way it does

Turnout in Jewett sits close to the national pattern. 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.