70058 leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 58% of adults in 70058 typically vote, near the U.S. average of about 62%. Among adults in 70058, ~42% vote Democratic, ~16% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 70058 compares
Among zip codes within 15 miles, 70058 leans more Democratic than 23 of 38 neighbors.
70058 runs about 66 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70058 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70058. The south side runs the most Democratic (D+78) and the northwest side runs the most Republican (R+26), a spread of about 104 points.
Why 70058 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 70058, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in 70058 live in densely developed areas, about 51 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 40% of adults in 70058 have never been married, above 88% of zip codes. 70058 runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 70058, LA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 70058 looks the way it does
Areas with high food insecurity turn out at lower rates. About 30% of adults in 70058 report food insecurity, about 14 points above the U.S. average of 16%. Limited routine healthcare access lines up with lower turnout, and 70058 sits in the bottom quarter on routine-care measures. 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.