Cullom leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 82% of adults in Cullom typically vote, above the U.S. average of about 62%. Among adults in Cullom, ~21% vote Democratic, ~60% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Cullom compares
Among cities within 25 miles, Cullom leans more Republican than 22 of 59 neighbors.
Cullom runs about 59 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Cullom is one of the few Republican-leaning pockets.
Why Cullom 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 Cullom, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Cullom drive to work alone, about 14 points above the U.S. average of 74%. Cullom runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Cullom, IL sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Cullom looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Cullom have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Griswold, IL R+49
- Kempton, IL R+58
- Saunemin, IL R+57
- Emington, IL R+50
- Scovel, IL R+56
- Cabery, IL R+57
- Chatsworth, IL R+58
- Wing, IL R+55
- Piper City, IL R+39
- Campus, IL R+50
Cities with Similar Populations
- Pelican Lake, WI R+33
- Choptack, TN R+74
- Farber, MO R+64
- Beaverdale, PA R+50
- Gray Hawk, KY R+72
- Belle Terre, LA D+5
- Kasigluk, AK D+23
- Scarlet, WV R+75
- Earl Park, IN R+59
- East Union, MN R+30
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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.