39045 leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 60% of adults in 39045 typically vote, near the U.S. average of about 62%. Among adults in 39045, ~41% vote Democratic, ~19% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 39045 compares
39045 sits in a sparsely populated area with few comparable zip codes nearby.
39045 runs about 58 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while 39045 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 39045. The southeast side is the most Democratic-leaning (D+57) and the west side is the least Democratic-leaning (D+29), a spread of about 28 points.
Why 39045 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 39045, not a ranked or complete list of what matters most.
Rural, majority-Black areas of the Southern Black Belt vote Democratic, against the usual rural pattern. About 86% of residents in 39045 are Black or African American, about 50 points above the Mississippi average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in 39045 have never been married, above 89% of zip codes. 39045 runs against the grain of Mississippi, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 39045, MS 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 39045 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 39045 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 8%, about 52 points below the U.S. average of 60%. High food insecurity lines up with lower turnout, and about 26% of adults in 39045 report food insecurity, above 91% of zip codes. Low high-school completion lines up with lower turnout, and about 79% of adults in 39045 have completed high school, below 92% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi Secretary of State, 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.