70583 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 71% of adults in 70583 typically vote, above the U.S. average of about 62%. Among adults in 70583, ~22% vote Democratic, ~49% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 70583 compares
Among zip codes within 15 miles, 70583 leans more Republican than 7 of 18 neighbors.
70583 runs about 15 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70583. The southeast side runs the most Democratic (D+7) and the northwest side runs the most Republican (R+65), a spread of about 72 points.
Why 70583 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 70583. The lean here lands roughly where demographic data alone would predict.
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; 70583, LA sits in the top tenth nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in 70583 looks the way it does
Turnout in 70583 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.