Mason Grove is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 67% of adults in Mason Grove typically vote, near the U.S. average of about 62%. Among adults in Mason Grove, ~15% vote Democratic, ~52% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Mason Grove compares
Among cities within 25 miles, Mason Grove leans more Republican than 31 of 75 neighbors.
Mason Grove runs about 26 points more Republican than Tennessee as a whole.
Politics vary noticeably by neighborhood within Mason Grove. The southeast side is the most Republican-leaning (R+68) and the south side is the least Republican-leaning (R+44), a spread of about 24 points.
Why Mason 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 Mason Grove, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Mason Grove drive to work alone, about 17 points above the U.S. average of 74%.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Mason Grove, TN sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Mason Grove looks the way it does
Turnout in Mason Grove 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
- Gadsden, TN R+62
- Windy City, TN R+46
- Fruitvale, TN R+58
- Gum Flat, TN R+56
- Coxville, TN R+63
- Humboldt, TN R+15
- Three Way, TN R+48
- Bells, TN R+51
- Johnsons Grove, TN R+63
- Quincy, TN R+68
Cities with Similar Populations
- Langdon, NH R+27
- Sprout, KY R+62
- Lemoyne, OH R+40
- Dryfork, AR R+67
- Du Bois, NE R+63
- Hutch, KY R+77
- Mammoth, WV R+48
- Tyler, AL R+12
- Westby, MT R+59
- Rob Roy, IN R+64
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.