Junction City, IL Political Map | Democrat & Republican Areas in Junction City

Junction City is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.

 
Junction City, IL block-group political-lean map
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About 62% of adults in Junction City typically vote, near the U.S. average of about 62%. Among adults in Junction City, ~13% vote Democratic, ~49% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.

Junction City, IL block-group voter-turnout map
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How Junction City compares

Among cities within 25 miles, Junction City leans more Republican than 29 of 60 neighbors.

Junction City runs about 70 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Junction City is one of the few Republican-leaning pockets.

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

Areas with low college attainment vote Republican. About 8% of adults in Junction City hold a bachelor's degree, about 18 points below the Illinois average of 27%. Junction City runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Junction City, IL sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Junction City looks the way it does

Turnout in Junction City sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.