Chain of Rocks is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 76% of adults in Chain of Rocks typically vote, above the U.S. average of about 62%. Among adults in Chain of Rocks, ~17% vote Democratic, ~59% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Chain of Rocks compares
Among cities within 25 miles, Chain of Rocks leans more Republican than 35 of 70 neighbors.
Chain of Rocks runs about 36 points more Republican than Missouri as a whole.
Why Chain of Rocks 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 Chain of Rocks, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Chain of Rocks, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 11 points below the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Chain of Rocks, MO sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Chain of Rocks looks the way it does
Turnout in Chain of Rocks sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Troy, MO R+45
- Moscow Mills, MO R+48
- South Troy, MO R+49
- Davis, MO R+55
- Cave, MO R+64
- Winfield, MO R+54
- Old Monroe, MO R+57
- Okete, MO R+59
- Foley, MO R+57
- Maryknoll, MO R+55
Cities with Similar Populations
- Zenda, WI R+35
- Cofield Corner, IN R+65
- Wood, SD R+41
- Olivia, TX R+70
- Monterey, KY R+63
- Sierra City, CA R+12
- Reese, TX R+42
- Womacks, VA R+30
- East Cape Girardeau, IL R+53
- Wingate, TX R+80
Sources and methodology
Precinct-level voting records used to fit the model come from Missouri Secretary of State, 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.