East Baton Rouge Parish, LA Political Map | Democrat & Republican Areas in East Baton Rouge Parish

By the BestNeighborhood data science team. Last updated May 2026.

East Baton Rouge Parish leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.

 

About 65% of adults in East Baton Rouge Parish typically vote, near the U.S. average of about 62%. Among adults in East Baton Rouge Parish, ~40% vote Democratic, ~25% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.

How East Baton Rouge Parish compares

Among counties within 50 miles, East Baton Rouge Parish leans more Democratic than 12 of 14 neighbors.

East Baton Rouge Parish runs about 45 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while East Baton Rouge Parish is one of the few Democratic-leaning pockets.

Politics vary noticeably by city within East Baton Rouge Parish. The west side runs the most Democratic (D+69) and the northeast side runs the most Republican (R+28), a spread of about 97 points.

Why East Baton Rouge 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 East Baton Rouge Parish, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 79% of residents in East Baton Rouge Parish live in densely developed areas, about 43 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and East Baton Rouge Parish sits in the top quarter (about 38%, above 89% of counties). East Baton Rouge Parish runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; East Baton Rouge Parish, LA sits in the top tenth nationally on this measure.

Why turnout in East Baton Rouge Parish looks the way it does

Turnout in East Baton Rouge 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.

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.