71340 is a Republican stronghold. About 6% of voters here vote Democratic and 94% Republican.
About 37% of adults in 71340 typically vote, below the U.S. average of about 62%. Among adults in 71340, ~2% vote Democratic, ~34% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How 71340 compares
Among zip codes within 15 miles, 71340 leans more Republican than 4 of 6 neighbors.
71340 runs about 65 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 71340. The northwest side is the most Republican-leaning (R+95) and the east side is the least Republican-leaning (R+81), a spread of about 13 points.
Why 71340 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 71340, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 71340 live in densely developed areas, about 20 points below the Louisiana average of 25%. Low college attainment predicts Republican voting, and 71340 sits in the bottom quarter (about 10%, below 94% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 71340, 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 71340 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 71340 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 25% of adults in 71340 report food insecurity, above 89% of zip codes. Low high-school completion lines up with lower turnout, and about 74% of adults in 71340 have completed high school, below 96% 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.