St. James is a Democratic stronghold. About 91% of voters here vote Democratic and 9% Republican.
About 80% of adults in St. James typically vote, above the U.S. average of about 62%. Among adults in St. James, ~73% vote Democratic, ~7% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How St. James compares
Among cities within 25 miles, St. James leans more Democratic than 74 of 76 neighbors.
St. James runs about 103 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while St. James is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within St. James. The northwest side is the most Democratic-leaning (D+85) and the southeast side is the least Democratic-leaning (D+75), a spread of about 10 points.
Why St. James 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. James, not a ranked or complete list of what matters most.
St. James votes against the grain of Louisiana. Louisiana leans Republican overall, while St. James runs about 103 points more Democratic. A high never-married share predicts Democratic voting, and about 48% of adults in St. James have never been married, above 98% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; St. James, LA sits above the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in St. James looks the way it does
Turnout in St. James 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
- Convent, LA D+36
- Welcome, LA D+85
- Hester, LA R+50
- Grand Point, LA R+59
- Lemannville, LA D+23
- Paulina, LA R+77
- North Vacherie, LA D+63
- Plattenville, LA D+33
Cities with Similar Populations
- Dry Creek, LA R+89
- Brownville, NY R+33
- Cygnet, OH R+50
- Vulcan, MI R+37
- Brownlow, WV R+56
- Hillsdale, WY R+60
- South Monterey, MI R+43
- Emery, SD R+69
- Lake Quivira, KS R+9
- Kidder, MO R+64
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.