70130 is a Democratic stronghold. About 75% of voters here vote Democratic and 25% Republican.
About 62% of adults in 70130 typically vote, near the U.S. average of about 62%. Among adults in 70130, ~47% vote Democratic, ~16% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 70130 compares
Among zip codes within 15 miles, 70130 leans more Democratic than 25 of 39 neighbors.
70130 runs about 73 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70130 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70130. The south side is the most Democratic-leaning (D+67) and the northeast side is the least Democratic-leaning (D+38), a spread of about 29 points.
Why 70130 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 70130, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in 70130 live in densely developed areas, about 58 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 70130 sits in the top quarter (about 63%, above 95% of zip codes). 70130 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; 70130, LA sits in the top tenth nationally on this measure.
Why turnout in 70130 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70130 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 66%, about 6 points above the U.S. average of 60%. 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.