71070 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 63% of adults in 71070 typically vote, near the U.S. average of about 62%. Among adults in 71070, ~11% vote Democratic, ~52% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 71070 compares
Among zip codes within 15 miles, 71070 leans more Republican than 1 of 4 neighbors.
71070 runs about 42 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 71070. The south side is the most Republican-leaning (R+86) and the northeast side is the least Republican-leaning (R+34), a spread of about 52 points.
Why 71070 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 71070, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 71070 hold a bachelor's degree, about 9 points below the Louisiana average of 19%. Rural areas vote Republican, and 71070 sits in the bottom quarter on density (about 4%, below 88% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 71070, 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 71070 looks the way it does
Turnout in 71070 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.