70374 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 67% of adults in 70374 typically vote, near the U.S. average of about 62%. Among adults in 70374, ~8% vote Democratic, ~59% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 70374 compares
Among zip codes within 15 miles, 70374 leans more Republican than 8 of 12 neighbors.
70374 runs about 55 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70374. The south side is the most Republican-leaning (R+83) and the northwest side is the least Republican-leaning (R+72), a spread of about 12 points.
Why 70374 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 70374, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 16% of adults in 70374 hold a bachelor's degree, about 13 points below the U.S. average of 28%.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 70374, LA sits above the national average 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 70374 looks the way it does
Turnout in 70374 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.