70542 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 78% of adults in 70542 typically vote, above the U.S. average of about 62%. Among adults in 70542, ~10% vote Democratic, ~68% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 70542 compares
Among zip codes within 15 miles, 70542 leans more Republican than 2 of 5 neighbors.
70542 runs about 51 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70542. The west side is the most Republican-leaning (R+86) and the east side is the least Republican-leaning (R+58), a spread of about 28 points.
Why 70542 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 70542, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in 70542 drive to work alone, about 16 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 70542 sits in the bottom quarter (about 12%, below 91% of zip codes).
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 70542, LA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 70542 looks the way it does
Turnout in 70542 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.