70363 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 54% of adults in 70363 typically vote, below the U.S. average of about 62%. Among adults in 70363, ~22% vote Democratic, ~32% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 70363 compares
Among zip codes within 15 miles, 70363 is the least Republican-leaning.
Politically, 70363 sits close to the rest of Louisiana.
Politics vary noticeably by block within 70363. The northeast side runs the most Democratic (D+16) and the northwest side runs the most Republican (R+38), a spread of about 55 points.
Why 70363 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 70363, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 70363 hold a bachelor's degree, about 9 points below the Louisiana average of 19%. Dense places usually vote Democratic, but 70363 runs against that pattern.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 70363, LA sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 70363 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 70363 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 7 points below the Louisiana average of 55%. High food insecurity lines up with lower turnout, and about 32% of adults in 70363 report food insecurity, above 95% of zip codes. Low high-school completion lines up with lower turnout, and about 77% of adults in 70363 have completed high school, below 94% 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.