Calcasieu Parish leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 69% of adults in Calcasieu Parish typically vote, above the U.S. average of about 62%. Among adults in Calcasieu Parish, ~24% vote Democratic, ~45% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Calcasieu Parish compares
Among counties within 50 miles, Calcasieu Parish is the least Republican-leaning.
Calcasieu Parish runs about 7 points more Republican than Louisiana as a whole.
Politics vary noticeably by city within Calcasieu Parish. The east side runs the most Democratic (D+47) and the southwest side runs the most Republican (R+75), a spread of about 122 points.
Why Calcasieu Parish leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Calcasieu Parish, not a ranked or complete list of what matters most.
Calcasieu Parish votes Republican even though it is densely developed (about 66%, far above the Louisiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Calcasieu Parish, 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 Calcasieu Parish looks the way it does
Turnout in Calcasieu Parish 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 Counties
- Cameron Parish, LA R+86
- Jefferson Davis Parish, LA R+60
- Beauregard Parish, LA R+70
- Orange County, TX R+59
- Allen Parish, LA R+48
- Newton County, TX R+61
- Jefferson County, TX D+8
- Acadia Parish, LA R+54
- Jasper County, TX R+54
- Hardin County, TX R+68
Counties with Similar Populations
- Yolo County, CA D+35
- Johnston County, NC R+21
- Lackawanna County, PA Even
- Clay County, FL R+31
- Delaware County, OH R+5
- Dona Ana County, NM D+4
- Montgomery County, TN R+16
- Mohave County, AZ R+37
- Niagara County, NY R+10
- York County, ME R+2
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.