Grand Junction, TN Political Map | Democrat & Republican Areas in Grand Junction

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

Grand Junction leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.

 

About 62% of adults in Grand Junction typically vote, near the U.S. average of about 62%. Among adults in Grand Junction, ~38% vote Democratic, ~24% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.

How Grand Junction compares

Among cities within 25 miles, Grand Junction leans more Democratic than 41 of 42 neighbors.

Grand Junction runs about 54 points more Democratic than Tennessee as a whole. Tennessee leans Republican overall, while Grand Junction is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Grand Junction. The north side runs the most Democratic (D+39) and the east side runs the most Republican (R+15), a spread of about 54 points.

Why Grand Junction 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 Grand Junction, not a ranked or complete list of what matters most.

Grand Junction votes against the grain of Tennessee. Tennessee leans Republican overall, while Grand Junction runs about 54 points more Democratic. A high never-married share predicts Democratic voting, and about 36% of adults in Grand Junction have never been married, above 89% of cities.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Grand Junction, TN sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Grand Junction looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Grand Junction is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 8 points below the Tennessee average of 56%. Renters vote less often than owners, and about 32% of households in Grand Junction rent, compared to around 16% in nearby cities. Low high-school completion lines up with lower turnout, and about 80% of adults in Grand Junction have completed high school, below 91% 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.