Prairieville leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 83% of adults in Prairieville typically vote, above the U.S. average of about 62%. Among adults in Prairieville, ~22% vote Democratic, ~61% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Prairieville compares
Among cities within 25 miles, Prairieville leans more Republican than 40 of 65 neighbors.
Prairieville runs about 25 points more Republican than Louisiana as a whole.
Politics vary noticeably by neighborhood within Prairieville. The north side is the most Republican-leaning (R+58) and the south side is the least Republican-leaning (R+31), a spread of about 27 points.
Why Prairieville 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 Prairieville, not a ranked or complete list of what matters most.
Prairieville votes Republican even though it is densely developed (about 74%, far 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 79% of households in Prairieville are family households, above 87% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Prairieville, LA sits in the top 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 Prairieville looks the way it does
Turnout in Prairieville 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
- Port Vincent, LA R+53
- Geismar, LA R+25
- Gonzales, LA R+24
- Lake, LA R+75
- Shenandoah, LA R+6
- St. Amant, LA R+77
- Belle Terre, LA D+5
- French Settlement, LA R+85
- St. Gabriel, LA Even
- Hillaryville, LA R+7
Cities with Similar Populations
- Coppell, TX D+2
- Moorhead, MN D+6
- Eagle Pass, TX R+8
- Freeport, NY D+39
- Powell, OH Even
- University, FL D+34
- Morristown, NJ D+23
- Cleveland Heights, OH D+70
- Northville, MI D+6
- Palm Springs, CA D+37
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.