Laplace leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 70% of adults in Laplace typically vote, above the U.S. average of about 62%. Among adults in Laplace, ~43% vote Democratic, ~27% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Laplace compares
Among cities within 25 miles, Laplace leans more Democratic than 45 of 54 neighbors.
Laplace runs about 47 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Laplace is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Laplace. The northeast side runs the most Democratic (D+60) and the southeast side runs the most Republican (R+37), a spread of about 97 points.
Why Laplace 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 Laplace, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 65% of residents in Laplace live in densely developed areas, about 29 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in Laplace have never been married, above 86% of cities. Laplace 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; Laplace, LA sits in the top tenth nationally on this measure.
Why turnout in Laplace looks the way it does
Turnout in Laplace 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
- Reserve, LA D+17
- Killona, LA D+84
- Edgard, LA D+43
- Norco, LA R+49
- Garyville, LA D+2
- Hahnville, LA D+6
- New Sarpy, LA R+17
- Mount Airy, LA R+33
- Destrehan, LA R+34
- Wallace, LA R+51
Cities with Similar Populations
- Willingboro, NJ D+77
- Pittsford, NY D+30
- Barstow, CA R+13
- Ashland, KY R+32
- Erie, CO D+21
- Watertown, NY R+8
- Savage, MN D+10
- Eustis, FL R+26
- Warsaw, IN R+39
- Paradise Hills, NM D+6
All Local Stats
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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.