70131 is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 63% of adults in 70131 typically vote, near the U.S. average of about 62%. Among adults in 70131, ~50% vote Democratic, ~13% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 70131 compares
Among zip codes within 15 miles, 70131 leans more Democratic than 23 of 35 neighbors.
70131 runs about 80 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70131 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70131. The east side is the most Democratic-leaning (D+75) and the southwest side is the least Democratic-leaning (D+32), a spread of about 43 points.
Why 70131 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 70131, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 70131 is about 19%, about 53 points below the U.S. average of 72%. High college attainment predicts Democratic voting, and 70131 sits in the top quarter (about 37%, above 77% of zip codes). 70131 runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 70131, LA sits in the top tenth nationally on this measure.
Why turnout in 70131 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70131 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 63%, about 8 points above the Louisiana average of 55%. 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.