Port Allen is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 66% of adults in Port Allen typically vote, near the U.S. average of about 62%. Among adults in Port Allen, ~33% vote Democratic, ~33% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Port Allen compares
Among cities within 25 miles, Port Allen sits roughly in the middle of the political spectrum, with 44 neighbors leaning further in the place's direction and 15 leaning the other way.
Port Allen runs about 23 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Port Allen sits closer to the political middle.
Politics vary noticeably by neighborhood within Port Allen. The south side runs the most Democratic (D+35) and the southeast side runs the most Republican (R+48), a spread of about 83 points.
Why Port Allen 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 Port Allen, not a ranked or complete list of what matters most.
Port Allen votes against the grain of Louisiana. Louisiana leans Republican overall, while Port Allen runs about 23 points more Democratic.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Port Allen, LA sits in the top quarter nationally on this measure.
Why turnout in Port Allen looks the way it does
Turnout in Port Allen 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
- Westover, LA R+28
- Sunrise, LA D+4
- Brusly, LA R+17
- Chamberlin, LA R+33
- Addis, LA R+11
- Merrydale, LA D+85
- Baton Rouge, LA R+6
- Erwinville, LA R+35
- Bueche, LA R+38
- Baker, LA D+56
Cities with Similar Populations
- Westphalia, MD D+79
- East Rockaway, NY R+17
- Alma, MI R+14
- Elberton, GA R+23
- Vienna, WV R+33
- Glendale, WI D+47
- Beebe, AR R+58
- Belle Mead, NJ D+25
- Marengo, IL R+23
- Verde Village, AZ R+14
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.