70723 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 77% of adults in 70723 typically vote, above the U.S. average of about 62%. Among adults in 70723, ~52% vote Democratic, ~25% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 70723 compares
Among zip codes within 15 miles, 70723 leans more Democratic than 15 of 17 neighbors.
70723 runs about 57 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70723 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70723. The north side runs the most Democratic (D+63) and the southeast side runs the most Republican (Even), a spread of about 64 points.
Why 70723 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 70723, not a ranked or complete list of what matters most.
70723 votes against the grain of Louisiana. Louisiana leans Republican overall, while 70723 runs about 57 points more Democratic. A high never-married share predicts Democratic voting, and about 47% of adults in 70723 have never been married, above 93% of zip codes.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 70723, LA sits in the bottom tenth nationally on this measure.
Why turnout in 70723 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70723 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 58%, below 67% of zip codes. Homeowners vote more often than renters, and about 95% of households in 70723 own their home, about 20 points above the U.S. average of 75%. 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.