71004 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 76% of adults in 71004 typically vote, above the U.S. average of about 62%. Among adults in 71004, ~21% vote Democratic, ~55% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 71004 compares
Among zip codes within 15 miles, 71004 leans more Republican than 5 of 9 neighbors.
71004 runs about 22 points more Republican than Louisiana as a whole.
Why 71004 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 71004, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 71004 live in densely developed areas, about 20 points below the Louisiana average of 25%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 71004, LA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 71004 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 71004 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 67%, about 7 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in 71004 own their home, compared to around 73% in nearby 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.