70734 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 75% of adults in 70734 typically vote, above the U.S. average of about 62%. Among adults in 70734, ~29% vote Democratic, ~46% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 70734 compares
Among zip codes within 15 miles, 70734 leans more Republican than 13 of 19 neighbors.
Politically, 70734 sits close to the rest of Louisiana.
Politics vary noticeably by block within 70734. The east side runs the most Democratic (D+8) and the north side runs the most Republican (R+35), a spread of about 44 points.
Why 70734 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 70734, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 87% of households in 70734 are family households, about 20 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 70734, LA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 70734 looks the way it does
Turnout in 70734 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.