70354 is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 46% of adults in 70354 typically vote, below the U.S. average of about 62%. Among adults in 70354, ~5% vote Democratic, ~41% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How 70354 compares
Among zip codes within 15 miles, 70354 is the most Republican-leaning.
70354 runs about 57 points more Republican than Louisiana as a whole.
Why 70354 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 70354, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in 70354 hold a bachelor's degree, about 11 points below the Louisiana average of 19%. Rural areas vote Republican, and 70354 sits in the bottom quarter on density (about 2%, below 95% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 70354, LA sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 70354 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 70354 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 27% of adults in 70354 report food insecurity, above 91% of zip codes. Low high-school completion lines up with lower turnout, and about 80% of adults in 70354 have completed high school, below 91% 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.