Galliano is a Republican stronghold. About 10% of voters here vote Democratic and 90% Republican.
About 47% of adults in Galliano typically vote, below the U.S. average of about 62%. Among adults in Galliano, ~5% vote Democratic, ~42% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How Galliano compares
Among cities within 25 miles, Galliano leans more Republican than 15 of 19 neighbors.
Galliano runs about 57 points more Republican than Louisiana as a whole.
Why Galliano leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Galliano, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Galliano live in densely developed areas, about 23 points below the Louisiana average of 25%. Low college attainment predicts Republican voting, and Galliano sits in the bottom quarter (about 9%, below 95% of cities).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Galliano, LA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Galliano looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Galliano 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 50%, about 5 points below the Louisiana average of 55%. High food insecurity lines up with lower turnout, and about 27% of adults in Galliano report food insecurity, above 93% of cities. Low high-school completion lines up with lower turnout, and about 81% of adults in Galliano have completed high school, below 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Golden Meadow, LA R+70
- Cut Off, LA R+78
- Larose, LA R+73
- Montegut, LA R+79
- Grandbois, LA R+75
- Norah, LA R+82
- Klondyke, LA R+77
- Chauvin, LA R+75
- McLeod, LA R+81
- Lockport, LA R+76
Cities with Similar Populations
- Stillman Valley, IL R+33
- Laurel Hill, NC R+34
- Wintersville, OH R+28
- South Haven, MN R+48
- Sleepy Eye, MN R+46
- Oxford, NY R+39
- Lancaster, VA R+15
- Claysville, PA R+51
- Stockton, NJ Even
- Heath Springs, SC R+41
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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.