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

Donovan is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.

 
Donovan, IL block-group political-lean map
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About 72% of adults in Donovan typically vote, above the U.S. average of about 62%. Among adults in Donovan, ~17% vote Democratic, ~55% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.

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

Among cities within 25 miles, Donovan leans more Republican than 36 of 67 neighbors.

Donovan runs about 63 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Donovan is one of the few Republican-leaning pockets.

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

Donovan votes against the grain of Illinois. Illinois leans Democratic overall, while Donovan runs about 63 points more Republican. Car-dependent areas vote Republican, and about 87% of residents in Donovan drive to work alone, above 87% of cities. Low college attainment predicts Republican voting, and Donovan sits in the bottom quarter (about 14%, below 80% of cities).

Population density and Republican lean

Places with low population density tend to lean Republican; Donovan, IL sits in the bottom quarter nationally on this measure.

Why turnout in Donovan looks the way it does

Turnout in Donovan 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.