39120 leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 63% of adults in 39120 typically vote, near the U.S. average of about 62%. Among adults in 39120, ~37% vote Democratic, ~26% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 39120 compares
39120 sits in a sparsely populated area with few comparable zip codes nearby.
39120 runs about 41 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while 39120 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 39120. The north side runs the most Democratic (D+77) and the southeast side runs the most Republican (R+45), a spread of about 122 points.
Why 39120 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 39120, not a ranked or complete list of what matters most.
39120 votes against the grain of Mississippi. Mississippi leans Republican overall, while 39120 runs about 41 points more Democratic. A high never-married share predicts Democratic voting, and about 39% of adults in 39120 have never been married, above 86% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 39120, MS sits above the national average 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 39120 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 39120 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%. 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.