Rocky Grove is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 58% of adults in Rocky Grove typically vote, near the U.S. average of about 62%. Among adults in Rocky Grove, ~9% vote Democratic, ~49% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Rocky Grove compares
Among cities within 25 miles, Rocky Grove leans more Republican than 31 of 43 neighbors.
Rocky Grove runs about 39 points more Republican than Tennessee as a whole.
Politics vary noticeably by neighborhood within Rocky Grove. The southeast side runs the most Democratic (D+2) and the west side runs the most Republican (R+72), a spread of about 74 points.
Why Rocky Grove 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 Rocky Grove, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Rocky Grove, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 10% of adults hold a bachelor's degree, about 12 points below the Tennessee average of 22%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Rocky Grove, TN sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Rocky Grove looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Rocky Grove is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 7 points below the Tennessee average of 56%. Renters vote less often than owners, and about 30% of households in Rocky Grove rent, above 83% of cities. Low high-school completion lines up with lower turnout, and about 81% of adults in Rocky Grove have completed high school, below 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cosby, TN R+69
- Catons Grove, TN R+67
- Pittman Center, TN R+67
- Carson Spring, TN R+70
- Raven Branch, TN R+70
- Edwina, TN R+70
- Gatlinburg, TN R+50
- Hartford, TN R+70
- Newport, TN R+61
Cities with Similar Populations
- Dublin, NC R+38
- Yankeetown, OH R+65
- Mulberry, TN R+73
- Hinkleville, WV R+63
- Cinebar, WA R+43
- Pottersville, NJ R+10
- Wallsburg, UT R+67
- Butterfield, MN R+48
- Murray Town, NC R+27
- Prairie Home, MO R+60
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.