LaSalle Parish is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 64% of adults in LaSalle Parish typically vote, near the U.S. average of about 62%. Among adults in LaSalle Parish, ~9% vote Democratic, ~55% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How LaSalle Parish compares
Among counties within 50 miles, LaSalle Parish leans more Republican than 8 of 10 neighbors.
LaSalle Parish runs about 49 points more Republican than Louisiana as a whole.
Politics vary noticeably by city within LaSalle Parish. The southwest side is the most Republican-leaning (R+96) and the south side is the least Republican-leaning (R+63), a spread of about 32 points.
Why LaSalle 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 LaSalle Parish, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in LaSalle Parish hold a bachelor's degree, about 6 points below the Louisiana average of 19%. A high family-household share predicts Republican voting, and about 69% of households in LaSalle Parish are family households, above 76% of counties.
Park access and Republican lean
Places with low park coverage tend to lean Republican; LaSalle Parish, LA sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in LaSalle Parish looks the way it does
Homeowners vote more often than renters. About 81% of households in LaSalle Parish own their home, about 6 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Catahoula Parish, LA R+50
- Caldwell Parish, LA R+73
- Grant Parish, LA R+77
- Winn Parish, LA R+44
- Rapides Parish, LA R+24
- Concordia Parish, LA R+24
- Franklin Parish, LA R+38
- Avoyelles Parish, LA R+37
- Jackson Parish, LA R+43
- Adams County, MS D+17
Counties with Similar Populations
- Gasconade County, MO R+58
- Hale County, AL D+13
- Clarke County, VA R+18
- Jeff Davis County, GA R+57
- Nelson County, VA R+22
- Oglethorpe County, GA R+52
- Kossuth County, IA R+45
- Reeves County, TX R+33
- Sibley County, MN R+48
- Pike County, IL R+57
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.