70740 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 72% of adults in 70740 typically vote, above the U.S. average of about 62%. Among adults in 70740, ~11% vote Democratic, ~61% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 70740 compares
Among zip codes within 15 miles, 70740 leans more Republican than 10 of 11 neighbors.
70740 runs about 48 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70740. The west side is the most Republican-leaning (R+75) and the northwest side is the least Republican-leaning (R+36), a spread of about 39 points.
Why 70740 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 70740, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in 70740 hold a bachelor's degree, about 11 points below the Louisiana average of 19%. Rural areas vote Republican, and 70740 sits in the bottom quarter on density (about 2%, below 95% of zip codes).
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 70740, LA does.
Why turnout in 70740 looks the way it does
Turnout in 70740 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.