39406 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 20% of adults in 39406 typically vote, below the U.S. average of about 62%. Among adults in 39406, ~13% vote Democratic, ~7% Republican, and ~80% don't vote. The map below shows estimated turnout by block group.
How 39406 compares
Among zip codes within 15 miles, 39406 is the most Democratic-leaning.
39406 runs about 51 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while 39406 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 39406. The northwest side is the most Democratic-leaning (D+38) and the south side is the least Democratic-leaning (D+25), a spread of about 13 points.
Why 39406 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 39406, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 39406 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 92% of adults in 39406 have never been married, in the top fraction of zip codes. 39406 runs against the grain of Mississippi, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 39406, MS sits in the top tenth nationally on this measure.
Why turnout in 39406 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 39406 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 6%, about 54 points below the U.S. average of 60%. Renters vote less often than owners, and about 98% of households in 39406 rent, compared to around 23% in nearby zip codes. High food insecurity lines up with lower turnout, and about 41% of adults in 39406 report food insecurity, above 98% 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.