39066 leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 70% of adults in 39066 typically vote, above the U.S. average of about 62%. Among adults in 39066, ~50% vote Democratic, ~20% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 39066 compares
Among zip codes within 15 miles, 39066 is the most Democratic-leaning.
39066 runs about 67 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while 39066 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 39066. The northwest side is the most Democratic-leaning (D+74) and the southeast side is the least Democratic-leaning (D+19), a spread of about 55 points.
Why 39066 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 39066, not a ranked or complete list of what matters most.
39066 votes against the grain of Mississippi. Mississippi leans Republican overall, while 39066 runs about 67 points more Democratic. A high never-married share predicts Democratic voting, and about 41% of adults in 39066 have never been married, above 89% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 39066, 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 39066 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 39066 sits in the bottom quarter on routine-care measures. 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.