Loudon County is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 75% of adults in Loudon County typically vote, above the U.S. average of about 62%. Among adults in Loudon County, ~17% vote Democratic, ~58% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Loudon County compares
Among counties within 50 miles, Loudon County leans more Republican than 4 of 17 neighbors.
Loudon County runs about 23 points more Republican than Tennessee as a whole.
Politics vary noticeably by city within Loudon County. The southwest side is the most Republican-leaning (R+66) and the northeast side is the least Republican-leaning (R+50), a spread of about 17 points.
Why Loudon County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Loudon County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 72% of households in Loudon County are family households, about 5 points above the U.S. average of 67%.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Loudon County, TN sits in the bottom tenth nationally on this measure.
Why turnout in Loudon County looks the way it does
Turnout in Loudon County 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 Counties
- Roane County, TN R+57
- Monroe County, TN R+67
- Blount County, TN R+49
- Knox County, TN R+13
- Anderson County, TN R+39
- Morgan County, TN R+70
- McMinn County, TN R+61
- Meigs County, TN R+72
- Sevier County, TN R+58
- Rhea County, TN R+63
Counties with Similar Populations
- Grady County, OK R+58
- Camden County, GA R+35
- Seneca County, OH R+35
- Jefferson County, TN R+61
- Lenoir County, NC Even
- Franklin County, VA R+46
- Dickson County, TN R+55
- Saline County, KS R+26
- Hancock County, ME D+5
- Tuolumne County, CA R+18
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.