70814 is a Democratic stronghold. About 88% of voters here vote Democratic and 12% Republican.
About 77% of adults in 70814 typically vote, above the U.S. average of about 62%. Among adults in 70814, ~67% vote Democratic, ~9% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 70814 compares
Among zip codes within 15 miles, 70814 leans more Democratic than 28 of 31 neighbors.
70814 runs about 98 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70814 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70814. The southeast side is the most Democratic-leaning (D+82) and the northwest side is the least Democratic-leaning (D+60), a spread of about 22 points.
Why 70814 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 70814, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 70814 is about 7%, about 66 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 44% of adults in 70814 have never been married, above 91% of zip codes. 70814 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; 70814, LA sits in the top quarter nationally on this measure.
Why turnout in 70814 looks the way it does
Turnout in 70814 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.