70122 is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.
About 62% of adults in 70122 typically vote, near the U.S. average of about 62%. Among adults in 70122, ~53% vote Democratic, ~9% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 70122 compares
Among zip codes within 15 miles, 70122 leans more Democratic than 31 of 36 neighbors.
70122 runs about 93 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while 70122 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 70122. The south side is the most Democratic-leaning (D+84) and the northwest side is the least Democratic-leaning (D+42), a spread of about 42 points.
Why 70122 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 70122, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 70122 live in densely developed areas, about 61 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 70122 sits in the top quarter (about 40%, above 81% of zip codes). 70122 runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 70122, LA sits in the top tenth 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 70122 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70122 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 59%, below 63% of zip codes. 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.