70615 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 59% of adults in 70615 typically vote, near the U.S. average of about 62%. Among adults in 70615, ~34% vote Democratic, ~25% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 70615 compares
Among zip codes within 15 miles, 70615 leans more Democratic than 8 of 9 neighbors.
70615 runs about 36 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70615 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70615. The southwest side runs the most Democratic (D+85) and the northeast side runs the most Republican (R+59), a spread of about 143 points.
Why 70615 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 70615, not a ranked or complete list of what matters most.
70615 votes against the grain of Louisiana. Louisiana leans Republican overall, while 70615 runs about 36 points more Democratic. A high never-married share predicts Democratic voting, and about 41% of adults in 70615 have never been married, above 88% of zip codes.
Food insecurity and voter turnout
Places with high food insecurity tend to turn out at a lower rate; 70615, LA sits in the top tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in 70615 looks the way it does
Areas with high food insecurity turn out at lower rates. About 33% of adults in 70615 report food insecurity, about 17 points above the U.S. average of 16%. Limited routine healthcare access lines up with lower turnout, and 70615 sits in the bottom quarter on routine-care measures. Renters vote less often than owners, and about 40% of households in 70615 rent, compared to around 20% in nearby 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.