East Dubuque, IL Political Map | Democrat & Republican Areas in East Dubuque

East Dubuque leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.

 
East Dubuque, IL block-group political-lean map
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About 83% of adults in East Dubuque typically vote, above the U.S. average of about 62%. Among adults in East Dubuque, ~32% vote Democratic, ~51% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.

East Dubuque, IL block-group voter-turnout map
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How East Dubuque compares

Among cities within 25 miles, East Dubuque leans more Republican than 9 of 59 neighbors.

East Dubuque runs about 33 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while East Dubuque is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within East Dubuque. The west side is the most Republican-leaning (R+32) and the north side is the least Republican-leaning (R+18), a spread of about 14 points.

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

Car-dependent areas vote Republican. About 87% of residents in East Dubuque drive to work alone, about 13 points above the U.S. average of 74%. East Dubuque runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; East Dubuque, IL sits in the top quarter nationally on this measure.

Why turnout in East Dubuque looks the way it does

Turnout in East Dubuque 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

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.