Trowbridge is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 80% of adults in Trowbridge typically vote, above the U.S. average of about 62%. Among adults in Trowbridge, ~13% vote Democratic, ~67% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Trowbridge compares
Among cities within 25 miles, Trowbridge leans more Republican than 53 of 61 neighbors.
Trowbridge runs about 78 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Trowbridge is one of the few Republican-leaning pockets.
Why Trowbridge 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 Trowbridge, not a ranked or complete list of what matters most.
Trowbridge votes against the grain of Illinois. Illinois leans Democratic overall, while Trowbridge runs about 78 points more Republican.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Trowbridge, IL sits in the top tenth nationally on this measure.
Why turnout in Trowbridge looks the way it does
Homeowners vote more often than renters. About 96% of households in Trowbridge own their home, about 16 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 97% of adults in Trowbridge have completed high school, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Neoga, IL R+57
- Strasburg, IL R+64
- Stewardson, IL R+65
- Paradise, IL R+59
- Sigel, IL R+70
- Green Creek, IL R+67
- Gays, IL R+61
- Trilla, IL R+60
- Windsor Shelby County, IL R+62
- Magnet, IL R+54
Cities with Similar Populations
- Acosta, PA R+64
- Calpine, CA R+17
- Yocana, AR R+66
- Pomona, IL R+45
- East Jamestown, TN R+65
- Hobbs, IN R+59
- Solo, TN R+41
- Koosharem, UT R+77
- Lorelein, LA R+86
- Greenfield, NM R+54
All Local Stats
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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.