70451 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 49% of adults in 70451 typically vote, below the U.S. average of about 62%. Among adults in 70451, ~23% vote Democratic, ~26% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 70451 compares
Among zip codes within 15 miles, 70451 is the least Republican-leaning.
70451 runs about 15 points more Democratic than Louisiana as a whole.
Why 70451 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 70451. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 70451, LA sits in the bottom 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 70451 looks the way it does
Renters vote less often than owners. About 54% of households in 70451 rent, about 29 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 29% of adults in 70451 report food insecurity, above 93% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
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.