Bayou St John is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 72% of adults in Bayou St John typically vote, above the U.S. average of about 62%. Among adults in Bayou St John, ~57% vote Democratic, ~15% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Bayou St John compares
Among neighborhoods within 5 miles, Bayou St John leans more Democratic than 13 of 38 neighbors.
Bayou St John runs about 81 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Bayou St John is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Bayou St John. The west side is the most Democratic-leaning (D+74) and the northeast side is the least Democratic-leaning (D+39), a spread of about 34 points.
Why Bayou St John leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Bayou St John, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 69% of adults in Bayou St John hold a bachelor's degree, about 40 points above the U.S. average of 28%. Bayou St John runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Bayou St John, New Orleans, LA sits in the top quarter 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 Bayou St John looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bayou St John 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 73%, about 13 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Fairgrounds, New Orleans, LA D+68
- Treme' Lafitte, New Orleans, LA D+76
- Mid-City, New Orleans, LA D+60
- Tulane Gravier, New Orleans, LA D+70
- Seventh Ward, New Orleans, LA D+78
- French Quarter, New Orleans, LA D+46
- Gert Town, New Orleans, LA D+79
- Central Business District, New Orleans, LA D+50
- Saint Roch, New Orleans, LA D+79
- Dillard, New Orleans, LA D+82
Neighborhoods with Similar Populations
- Colemans Daytona, Daytona Beach, FL D+68
- Rolling Roads, Greensboro, NC D+51
- Lake Park, Worcester, MA D+30
- Puhi, Lihue, HI D+17
- Franklin Falls, Franklin, NH R+4
- Highlands, Wilmington, DE D+50
- Downtown Nashville, Nashville, TN D+50
- Martens-Carmelita, Mountain View, CA D+38
- South Park, Tucson, AZ D+38
- Meadow Springs, Richland, WA R+7
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.