Opelousas leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 70% of adults in Opelousas typically vote, above the U.S. average of about 62%. Among adults in Opelousas, ~44% vote Democratic, ~26% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Opelousas compares
Among cities within 25 miles, Opelousas leans more Democratic than 51 of 52 neighbors.
Opelousas runs about 48 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Opelousas is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Opelousas. The north side runs the most Democratic (D+74) and the southeast side runs the most Republican (R+20), a spread of about 94 points.
Why Opelousas 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 Opelousas, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Opelousas is about 38%, about 34 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 41% of adults in Opelousas have never been married, above 94% of cities. Opelousas runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Opelousas, 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 Opelousas looks the way it does
Turnout in Opelousas 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
- Lawtell, LA R+9
- Plaisance, LA R+38
- Prairie Ronde, LA R+35
- Leonville, LA R+36
- Grand Coteau, LA Even
- Sunset, LA R+24
- Washington, LA R+68
- Port Barre, LA R+59
- Swords, LA R+18
- Pecaniere, LA R+83
Cities with Similar Populations
- Mundelein, IL D+18
- South Miami Heights, FL R+12
- Xenia, OH R+27
- Socorro, TX D+12
- Kingston, NY D+30
- Boardman, OH R+4
- Ooltewah, TN R+33
- Leavenworth, KS R+8
- Lebanon, OH R+38
- Paramus, NJ R+12
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.