38663 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 69% of adults in 38663 typically vote, above the U.S. average of about 62%. Among adults in 38663, ~15% vote Democratic, ~54% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 38663 compares
Among zip codes within 15 miles, 38663 leans more Republican than 1 of 5 neighbors.
38663 runs about 32 points more Republican than Mississippi as a whole.
Politics vary noticeably by block within 38663. The southeast side is the most Republican-leaning (R+87) and the west side is the least Republican-leaning (R+26), a spread of about 60 points.
Why 38663 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 38663, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 91% of residents in 38663 drive to work alone, about 17 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 38663, MS sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 38663 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 38663 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 9%, about 51 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.