39666 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 69% of adults in 39666 typically vote, above the U.S. average of about 62%. Among adults in 39666, ~23% vote Democratic, ~46% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 39666 compares
Among zip codes within 15 miles, 39666 leans more Republican than 3 of 6 neighbors.
39666 runs about 9 points more Republican than Mississippi as a whole.
Politics vary noticeably by block within 39666. The south side runs the most Democratic (D+22) and the northwest side runs the most Republican (R+74), a spread of about 96 points.
Why 39666 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 39666, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in 39666 drive to work alone, about 12 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 39666, 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 39666 looks the way it does
Turnout in 39666 sits close to the national pattern. 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.