70787 is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 71% of adults in 70787 typically vote, above the U.S. average of about 62%. Among adults in 70787, ~60% vote Democratic, ~11% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 70787 compares
Among zip codes within 15 miles, 70787 leans more Democratic than 4 of 5 neighbors.
70787 runs about 90 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70787 is one of the few Democratic-leaning pockets.
Why 70787 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 70787, not a ranked or complete list of what matters most.
Rural, majority-Black areas of the Southern Black Belt vote Democratic, against the usual rural pattern. About 74% of residents in 70787 are Black or African American, about 49 points above the Louisiana average of 25%. A high never-married share predicts Democratic voting, and about 53% of adults in 70787 have never been married, above 96% of zip codes. 70787 runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 70787, LA does.
Why turnout in 70787 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70787 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 59%, below 64% of zip codes. Homeowners vote more often than renters, and about 93% of households in 70787 own their home, compared to around 76% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 70787 have completed high school, 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 Louisiana 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.