Oak Hill, TN Political Map | Democrat & Republican Areas in Oak Hill

By the BestNeighborhood data science team. Last updated May 2026.

Oak Hill leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 

About 93% of adults in Oak Hill typically vote, above the U.S. average of about 62%. Among adults in Oak Hill, ~42% vote Democratic, ~51% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.

How Oak Hill compares

Among cities within 25 miles, Oak Hill leans more Republican than 8 of 51 neighbors.

Oak Hill runs about 20 points more Democratic than Tennessee as a whole.

Politics vary noticeably by neighborhood within Oak Hill. The north side runs the most Democratic (D+5) and the east side runs the most Republican (R+19), a spread of about 24 points.

Why Oak Hill 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 Oak Hill, not a ranked or complete list of what matters most.

Oak Hill votes Republican even though it is densely developed (about 76%, far above the Tennessee average of 21%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 81% of households in Oak Hill are family households, above 92% of cities.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Oak Hill, TN sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Oak Hill looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Oak Hill is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Oak Hill own their home, compared to around 74% in nearby cities. High high-school completion lines up with higher turnout, and more than 99% of adults in Oak Hill have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.