Center Grove is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 76% of adults in Center Grove typically vote, above the U.S. average of about 62%. Among adults in Center Grove, ~12% vote Democratic, ~63% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Center Grove compares
Among cities within 25 miles, Center Grove leans more Republican than 29 of 56 neighbors.
Center Grove runs about 39 points more Republican than Tennessee as a whole.
Why Center 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 Center Grove, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 99% of residents in Center Grove drive to work alone, about 25 points above the U.S. average of 74%.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Center Grove, TN sits in the bottom tenth nationally on this measure.
Why turnout in Center Grove looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in Center Grove have completed high school, about 10 points above the Tennessee average of 88%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ridgeville, TN R+69
- Winchester Springs, TN R+70
- Capitol Hill, TN R+65
- Estill Springs, TN R+66
- Tullahoma, TN R+47
- Marble Hill, TN R+71
- Lynchburg, TN R+69
- Winchester, TN R+55
- Hilltop, TN R+67
Cities with Similar Populations
- Almartha, MO R+71
- Edmunds, ME R+19
- Van, AR R+69
- Cuyama, CA R+23
- Gould, CO R+35
- Valley Falls, OR R+72
- Cracker Neck, VA R+75
- Grapevine, KY R+56
- Montgomery Heights, WV R+41
- Harding, PA R+38
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.