Rock City is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 69% of adults in Rock City typically vote, above the U.S. average of about 62%. Among adults in Rock City, ~10% vote Democratic, ~59% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Rock City compares
Among cities within 25 miles, Rock City leans more Republican than 72 of 74 neighbors.
Rock City runs about 41 points more Republican than Tennessee as a whole.
Why Rock 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 Rock City, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 94% of residents in Rock City drive to work alone, about 21 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Rock City sits in the bottom quarter (about 15%, below 77% of cities).
Park access and Republican lean
Places with low park coverage tend to lean Republican; Rock City, TN sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Rock City looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Rock City is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Tanglewood, TN R+67
- Grant, TN R+64
- Bellwood, TN R+61
- Riddleton, TN R+67
- Carthage, TN R+55
- South Carthage, TN R+62
- Prosperity, TN R+68
- Brush Creek, TN R+67
Cities with Similar Populations
- Aberdeen Gardens, WA R+35
- Randall, IA R+40
- Daggett, CA R+34
- Champion, PA R+57
- Eska, AK R+40
- Pine Hills, CA R+13
- Lamar, LA R+78
- New Liberty, IA R+44
- Nicolville, MN R+26
- Wilson, SC Even
Sources and methodology
Precinct-level voting records used to fit the model come from Tennessee Secretary of State, Division 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.