Rockwood is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 88% of adults in Rockwood typically vote, above the U.S. average of about 62%. Among adults in Rockwood, ~18% vote Democratic, ~70% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Rockwood compares
Among cities within 25 miles, Rockwood leans more Republican than 34 of 73 neighbors.
Rockwood runs about 70 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Rockwood is one of the few Republican-leaning pockets.
Why Rockwood 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 Rockwood, not a ranked or complete list of what matters most.
Rockwood votes against the grain of Illinois. Illinois leans Democratic overall, while Rockwood runs about 70 points more Republican. A high family-household share predicts Republican voting, and about 82% of households in Rockwood are family households, above 93% of cities.
Population density and Republican lean
Places with low population density tend to lean Republican; Rockwood, IL sits in the bottom quarter nationally on this measure.
Why turnout in Rockwood looks the way it does
Homeowners vote more often than renters. About 96% of households in Rockwood own their home, about 16 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wine Hill, IL R+61
- Shiloh Hill, IL R+60
- Welge, IL R+52
- Menfro, MO R+69
- Campbell Hill, IL R+60
- Crosstown, MO R+68
- Glenn, IL R+52
- Chester, IL R+38
- Jacob, IL R+52
Cities with Similar Populations
- Tyronza Junction, AR R+52
- Cassoday, KS R+61
- Pensaukee, WI R+42
- Imlay, NV R+64
- Jimtown, CA D+44
- Hordville, NE R+68
- Chappel, TX R+74
- Amasa, MI R+32
- Paskenta, CA R+50
- Elk Creek, MO R+68
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.