70757 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 72% of adults in 70757 typically vote, above the U.S. average of about 62%. Among adults in 70757, ~38% vote Democratic, ~35% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 70757 compares
Among zip codes within 15 miles, 70757 leans more Democratic than 13 of 14 neighbors.
70757 runs about 26 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70757 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70757. The east side runs the most Democratic (D+53) and the southwest side runs the most Republican (R+57), a spread of about 110 points.
Why 70757 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 70757, not a ranked or complete list of what matters most.
70757 votes against the grain of Louisiana. Louisiana leans Republican overall, while 70757 runs about 26 points more Democratic.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; 70757, LA sits above the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 70757 looks the way it does
Turnout in 70757 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.