Harmony Grove is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 55% of adults in Harmony Grove typically vote, below the U.S. average of about 62%. Among adults in Harmony Grove, ~9% vote Democratic, ~46% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Harmony Grove compares
Among cities within 25 miles, Harmony Grove leans more Republican than 36 of 61 neighbors.
Harmony Grove runs about 39 points more Republican than Tennessee as a whole.
Why Harmony 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 Harmony Grove, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Harmony Grove live in densely developed areas, about 18 points below the Tennessee average of 21%. A high white share with below-average college attainment predicts Republican voting, and Harmony Grove fits that profile on both counts.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Harmony Grove, TN sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Harmony Grove looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Harmony Grove is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 82% of adults in Harmony Grove have completed high school, below 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Nough, TN R+69
- Del Rio, TN R+68
- Paint Rock, NC R+38
- Hot Springs, NC R+38
- Hartford, TN R+70
- Trust, NC R+36
- Cedarcreek, TN R+72
- Spring Creek, NC R+39
- St. James, TN R+73
Cities with Similar Populations
- Glendon, PA R+15
- Robat, SC R+61
- Swan, IN R+55
- Maplehurst, NY R+43
- Swain, NY R+56
- Flatwoods, LA R+70
- Jameson, MN R+26
- Nutbush, TN D+16
- McKinnon, FL R+68
- Seneca, NE R+79
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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.