70454 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 73% of adults in 70454 typically vote, above the U.S. average of about 62%. Among adults in 70454, ~17% vote Democratic, ~55% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 70454 compares
Among zip codes within 15 miles, 70454 leans more Republican than 7 of 12 neighbors.
70454 runs about 30 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70454. The southeast side is the most Republican-leaning (R+72) and the north side is the least Republican-leaning (R+28), a spread of about 44 points.
Why 70454 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 70454. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 70454, LA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 70454 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70454 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 60%, below 61% of zip codes. 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.