70730 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 67% of adults in 70730 typically vote, near the U.S. average of about 62%. Among adults in 70730, ~27% vote Democratic, ~40% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 70730 compares
Among zip codes within 15 miles, 70730 leans more Republican than 3 of 8 neighbors.
70730 runs about 5 points more Democratic than Louisiana as a whole.
Politics vary noticeably by block within 70730. The northwest side runs the most Democratic (D+9) and the southwest side runs the most Republican (R+60), a spread of about 69 points.
Why 70730 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 70730, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 70730 live in densely developed areas, about 20 points below the Louisiana average of 25%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 70730, LA sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 70730 looks the way it does
Homeowners vote more often than renters. About 88% of households in 70730 own their home, about 12 points above the Louisiana average of 76%. 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.