71104 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 56% of adults in 71104 typically vote, below the U.S. average of about 62%. Among adults in 71104, ~32% vote Democratic, ~24% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 71104 compares
Among zip codes within 15 miles, 71104 leans more Democratic than 14 of 21 neighbors.
71104 runs about 38 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 71104 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 71104. The northeast side runs the most Democratic (D+31) and the south side runs the most Republican (Even), a spread of about 32 points.
Why 71104 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 71104, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 97% of residents in 71104 live in densely developed areas, about 61 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in 71104 have never been married, above 89% of zip codes. 71104 runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 71104, LA sits in the top quarter nationally on this measure.
Why turnout in 71104 looks the way it does
Renters vote less often than owners. About 53% of households in 71104 rent, about 28 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 25% of adults in 71104 report food insecurity, above 89% 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.