Holly Grove, New Orleans, LA Political Map | Democrat & Republican Areas in Holly Grove

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

Holly Grove is a Democratic stronghold. About 90% of voters here vote Democratic and 10% Republican.

 

About 47% of adults in Holly Grove typically vote, below the U.S. average of about 62%. Among adults in Holly Grove, ~42% vote Democratic, ~5% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.

How Holly Grove compares

Among neighborhoods within 5 miles, Holly Grove leans more Democratic than 31 of 32 neighbors.

Holly Grove runs about 103 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Holly Grove is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Holly Grove. The west side is the most Democratic-leaning (D+86) and the northwest side is the least Democratic-leaning (D+44), a spread of about 43 points.

Why Holly Grove leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Holly Grove, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Holly Grove live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 47% of adults in Holly Grove have never been married, above 76% of neighborhoods. Holly Grove runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Holly Grove, New Orleans, LA sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Holly Grove looks the way it does

Areas with high food insecurity turn out at lower rates. About 42% of adults in Holly Grove report food insecurity, about 25 points above the U.S. average of 16%. Low high-school completion lines up with lower turnout, and about 83% of adults in Holly Grove have completed high school, below 81% of neighborhoods. High-crime urban areas turn out at lower rates, and Holly Grove sits in the top 15% on a violent-crime measure. 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.