Eureka is a Republican stronghold. About 8% of voters here vote Democratic and 92% Republican.
About 75% of adults in Eureka typically vote, above the U.S. average of about 62%. Among adults in Eureka, ~6% vote Democratic, ~69% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Eureka compares
Among cities within 25 miles, Eureka leans more Republican than 39 of 48 neighbors.
Eureka runs about 63 points more Republican than Louisiana as a whole.
Why Eureka 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 Eureka, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in Eureka are family households, about 15 points above the U.S. average of 67%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Eureka, LA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Eureka looks the way it does
Turnout in Eureka sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Willhite, LA R+81
- Forksville, LA R+83
- Calhoun, LA R+80
- Frost Town, LA R+85
- Downsville, LA R+87
- Tremont, LA R+81
- Claiborne, LA R+63
- Point, LA R+87
- Siegle, LA R+59
- West Monroe, LA R+52
Cities with Similar Populations
- Kendleton, TX Even
- Union Grove, TX R+72
- Muse, PA R+27
- Tunstall, VA R+42
- Walnut Grove, MN R+62
- Caulfield, MO R+72
- Lindside, WV R+67
- Ebro, FL R+61
- Wessington Springs, SD R+45
- Hornsby, TN R+77
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.