Dulac leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 52% of adults in Dulac typically vote, below the U.S. average of about 62%. Among adults in Dulac, ~16% vote Democratic, ~36% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Dulac compares
Among cities within 25 miles, Dulac leans more Republican than 5 of 28 neighbors.
Dulac runs about 19 points more Republican than Louisiana as a whole.
Politics vary noticeably by neighborhood within Dulac. The east side is the most Republican-leaning (R+86) and the northeast side is the least Republican-leaning (R+38), a spread of about 48 points.
Why Dulac 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 Dulac, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 5% of adults in Dulac hold a bachelor's degree, about 14 points below the Louisiana average of 19%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Dulac, 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 Dulac looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dulac 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 37%, about 18 points below the Louisiana average of 55%. High food insecurity lines up with lower turnout, and about 35% of adults in Dulac report food insecurity, above 97% of cities. Low high-school completion lines up with lower turnout, and about 59% of adults in Dulac have completed high school, in the bottom fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Theriot, LA R+79
- Chauvin, LA R+75
- Montegut, LA R+79
- Klondyke, LA R+77
- Bourg, LA R+78
- Mandalay, LA R+71
- Grandbois, LA R+75
- Houma, LA R+37
- Bayou Cane, LA R+47
Cities with Similar Populations
- Head of the Harbor, NY R+16
- Sherrard, IL R+29
- Sheffield, PA R+49
- Rollingwood, TX D+26
- Lost Creek, WV R+61
- Lynchs Corner, NC R+27
- South Orrington, ME R+9
- Centerville, PA R+60
- Cooperstown, PA R+58
- Fabius, NY R+26
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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.