Jackson leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 62% of adults in Jackson typically vote, near the U.S. average of about 62%. Among adults in Jackson, ~34% vote Democratic, ~29% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Jackson compares
Among cities within 25 miles, Jackson leans more Democratic than 72 of 74 neighbors.
Jackson runs about 38 points more Democratic than Tennessee as a whole. Tennessee leans Republican overall, while Jackson is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Jackson. The east side runs the most Democratic (D+67) and the southwest side runs the most Republican (R+38), a spread of about 104 points.
Why Jackson 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 Jackson, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 66% of residents in Jackson live in densely developed areas, about 30 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 37% of adults in Jackson have never been married, above 91% of cities. Jackson runs against the grain of Tennessee, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Jackson, TN sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Jackson looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Jackson is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Westover, TN R+38
- Oakfield, TN R+32
- East Union, TN R+50
- Windy City, TN R+46
- Gum Flat, TN R+56
- Three Way, TN R+48
- Malesus, TN R+54
- Huntersville, TN R+37
- Madison Hall, TN R+38
- Spring Creek, TN R+66
Cities with Similar Populations
- Marysville, WA Even
- Mechanicsburg, PA R+3
- Palm Harbor, FL R+18
- Spokane Valley, WA R+11
- Monroe, LA D+24
- St. Joseph, MO R+21
- Turlock, CA R+13
- Chino Hills, CA R+4
- Valparaiso, IN R+10
- Folsom, CA D+9
All Local Stats
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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.