71237 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 59% of adults in 71237 typically vote, near the U.S. average of about 62%. Among adults in 71237, ~14% vote Democratic, ~45% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 71237 compares
71237 sits in a sparsely populated area with few comparable zip codes nearby.
71237 runs about 30 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 71237. The west side is the most Republican-leaning (R+83) and the northeast side is the least Republican-leaning (R+38), a spread of about 45 points.
Why 71237 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 71237, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 71237 live in densely developed areas, about 20 points below the Louisiana average of 25%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 71237, 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 71237 looks the way it does
Areas with high food insecurity turn out at lower rates. About 25% of adults in 71237 report food insecurity, about 9 points above the U.S. average of 16%. Low high-school completion lines up with lower turnout, and about 79% of adults in 71237 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.