Colp leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 66% of adults in Colp typically vote, near the U.S. average of about 62%. Among adults in Colp, ~19% vote Democratic, ~47% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Colp compares
Among cities within 25 miles, Colp leans more Republican than 17 of 84 neighbors.
Colp runs about 54 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Colp is one of the few Republican-leaning pockets.
Why Colp 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 Colp, not a ranked or complete list of what matters most.
Colp votes against the grain of Illinois. Illinois leans Democratic overall, while Colp runs about 54 points more Republican.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Colp, IL sits in the top quarter nationally on this measure.
Why turnout in Colp looks the way it does
Homeowners vote more often than renters. About 94% of households in Colp own their home, about 14 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 97% of adults in Colp have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cambria, IL R+34
- Herrin, IL R+35
- Carterville, IL R+25
- Bush, IL R+50
- Hurst, IL R+50
- Energy, IL R+34
- Crainville, IL R+19
- Reeds Station, IL R+13
- Crab Orchard Estates, IL R+21
- Freeman Spur, IL R+53
Cities with Similar Populations
- Milo, CA R+32
- Garneill, MT R+59
- Milligan, NE R+62
- St. Marys Point, MN D+7
- Amberson, PA R+72
- North Loup, NE R+72
- Farnam, NE R+67
- Centerville, MO R+69
- Jacktown, KY R+68
- Jamestown, LA R+64
All Local Stats
Home Services
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.