Rapids City leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 81% of adults in Rapids City typically vote, above the U.S. average of about 62%. Among adults in Rapids City, ~31% vote Democratic, ~50% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Rapids City compares
Among cities within 25 miles, Rapids City leans more Republican than 24 of 77 neighbors.
Rapids City runs about 36 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Rapids City is one of the few Republican-leaning pockets.
Why Rapids City 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 Rapids City, not a ranked or complete list of what matters most.
Rapids City votes against the grain of Illinois. Illinois leans Democratic overall, while Rapids City runs about 36 points more Republican.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Rapids City, 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 Rapids City looks the way it does
Turnout in Rapids City sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Port Byron, IL R+22
- Le Claire, IA R+18
- Hampton, IL Even
- Barstow, IL R+22
- Pleasant Valley, IA R+15
- Cleveland, IL R+27
- Carbon Cliff, IL Even
- Colona, IL R+23
- Silvis, IL D+9
- Osborn, IL R+24
Cities with Similar Populations
- Ottoville, OH R+71
- Snyder, OK R+57
- Only, TN R+68
- Hoopers Creek, NC R+36
- Okay, OK R+51
- Southwest City, MO R+53
- Scotland, SD R+63
- Clarendon, PA R+51
- Birchwood Lakes, PA R+30
- Funston, GA R+56
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.