38637 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 53% of adults in 38637 typically vote, below the U.S. average of about 62%. Among adults in 38637, ~32% vote Democratic, ~21% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 38637 compares
Among zip codes within 15 miles, 38637 leans more Democratic than 8 of 27 neighbors.
38637 runs about 46 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while 38637 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 38637. The north side is the most Democratic-leaning (D+52) and the east side is the least Democratic-leaning (Even), a spread of about 51 points.
Why 38637 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 38637, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 38637 is about 35%, about 37 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 40% of adults in 38637 have never been married, above 87% of zip codes. 38637 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; 38637, MS sits in the top quarter nationally on this measure.
Why turnout in 38637 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 38637 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%. Renters vote less often than owners, and about 40% of households in 38637 rent, above 86% of zip codes. High food insecurity lines up with lower turnout, and about 28% of adults in 38637 report food insecurity, above 92% 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.