Thibodaux leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 66% of adults in Thibodaux typically vote, near the U.S. average of about 62%. Among adults in Thibodaux, ~22% vote Democratic, ~44% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Thibodaux compares
Among cities within 25 miles, Thibodaux leans more Republican than 34 of 76 neighbors.
Thibodaux runs about 11 points more Republican than Louisiana as a whole.
Politics vary noticeably by neighborhood within Thibodaux. The northeast side is the most split-leaning (R+68) and the south side is the least split-leaning (Even), a spread of about 67 points.
Why Thibodaux 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 Thibodaux, not a ranked or complete list of what matters most.
Thibodaux votes Republican even though it is densely developed (about 54%, well above the Louisiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Thibodaux, LA sits in the top quarter 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 Thibodaux looks the way it does
Turnout in Thibodaux 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 Cities
- Lafourche, LA R+81
- Leighton, LA R+19
- Morvant, LA R+76
- Chackbay, LA R+80
- Schriever, LA R+53
- Choupique, LA R+76
- Rousseau, LA R+74
- Choctaw, LA R+81
- Gray, LA R+40
Cities with Similar Populations
- Nicholasville, KY R+34
- Plymouth, MI D+5
- DePere, WI R+8
- Buffalo Grove, IL D+25
- Hallandale Beach, FL D+8
- Canonsburg, PA R+14
- Fairburn, GA D+71
- Westfield, MA Even
- Carol Stream, IL D+10
- Beverly Hills, CA D+18
All Local Stats
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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.