St. Rosalie leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 67% of adults in St. Rosalie typically vote, near the U.S. average of about 62%. Among adults in St. Rosalie, ~19% vote Democratic, ~48% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How St. Rosalie compares
Among cities within 25 miles, St. Rosalie leans more Republican than 42 of 50 neighbors.
St. Rosalie runs about 22 points more Republican than Louisiana as a whole.
Politics vary noticeably by neighborhood within St. Rosalie. The southeast side is the most Republican-leaning (R+67) and the northeast side is the least Republican-leaning (R+18), a spread of about 50 points.
Why St. Rosalie 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 St. Rosalie, not a ranked or complete list of what matters most.
St. Rosalie votes Republican even though it is densely developed (about 35%, modestly above the Louisiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 76% of households in St. Rosalie are family households, above 79% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; St. Rosalie, LA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in St. Rosalie looks the way it does
Turnout in St. Rosalie 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
- Belle Chasse, LA R+42
- Dalcour, LA R+10
- Woodmere, LA D+75
- Timberlane, LA D+16
- Harvey, LA D+32
- Estelle, LA Even
- Bertrandville, LA R+10
- Gretna, LA D+20
Cities with Similar Populations
- Campbell, AL R+68
- Zook, KS R+59
- Camelot, TN R+71
- Claysville, IN R+64
- Gowdy, IN R+62
- Raft River, ID R+74
- Quiggleville, PA R+61
- Pungoteague, VA R+17
- Fort Clark, ND R+65
- Strawberry, CA R+4
All Local Stats
Home Services
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.