71003 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 66% of adults in 71003 typically vote, near the U.S. average of about 62%. Among adults in 71003, ~26% vote Democratic, ~40% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 71003 compares
Among zip codes within 15 miles, 71003 leans more Republican than 3 of 5 neighbors.
Politically, 71003 sits close to the rest of Louisiana.
Politics vary noticeably by block within 71003. The northeast side is the most Republican-leaning (R+28) and the north side is the least Republican-leaning (R+17), a spread of about 11 points.
Why 71003 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 71003, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 6% of residents in 71003 live in densely developed areas, about 19 points below the Louisiana average of 25%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 71003, LA sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 71003 looks the way it does
Turnout in 71003 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.