Eureka is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 69% of adults in Eureka typically vote, above the U.S. average of about 62%. Among adults in Eureka, ~11% vote Democratic, ~58% Republican, and ~31% 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 32 of 54 neighbors.
Eureka runs about 55 points more Republican than Texas 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 83% of households in Eureka are family households, about 16 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Eureka, TX sits in the bottom 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 Eureka looks the way it does
Homeowners vote more often than renters. About 91% of households in Eureka own their home, about 16 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Eureka sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Elm Flat, TX R+54
- Mildred, TX R+68
- Cheneyboro, TX R+69
- Round Prairie, TX R+39
- Navarro, TX R+69
- Winkler, TX R+72
- Goodlow, TX R+39
- Streetman, TX R+72
- Kerens, TX R+48
- Angus, TX R+69
Cities with Similar Populations
- Hogg, TX R+69
- Ridge Farm, IL R+56
- Conewango Valley, NY R+55
- Winfall, NC R+27
- Silver Grove, KY R+35
- Mokane, MO R+58
- Monroe City, IN R+59
- Spearsville, LA R+57
- Semora, NC R+21
- Scriba Center, NY R+31
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.