70669 is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 70% of adults in 70669 typically vote, above the U.S. average of about 62%. Among adults in 70669, ~15% vote Democratic, ~55% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 70669 compares
Among zip codes within 15 miles, 70669 leans more Republican than 5 of 9 neighbors.
70669 runs about 36 points more Republican than Louisiana as a whole.
Politics vary noticeably by block within 70669. The northeast side is the most Republican-leaning (R+69) and the southeast side is the least Republican-leaning (R+26), a spread of about 43 points.
Why 70669 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 70669, not a ranked or complete list of what matters most.
70669 votes Republican even though it is densely developed (about 78%, far above the Louisiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and 70669 sits in the bottom quarter (about 16%, below 77% of zip codes).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 70669, LA sits in the top quarter 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 70669 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 70669 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 60%, below 60% 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.