Eureka is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 26% of adults in Eureka typically vote, below the U.S. average of about 62%. Among adults in Eureka, ~3% vote Democratic, ~23% Republican, and ~74% 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 11 of 16 neighbors.
Eureka runs about 54 points more Republican than Utah as a whole.
Why Eureka leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Eureka. The lean here lands roughly where demographic data alone would predict.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Eureka, UT does.
Why turnout in Eureka looks the way it does
Crowded housing lines up with lower turnout. About 7% of homes in Eureka have more than one occupant per room, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Elberta, UT R+74
- Goshen, UT R+74
- Genola, UT R+80
- Starr, UT R+83
- Rocky Ridge, UT R+84
- Mona, UT R+76
- Santaquin, UT R+61
- Vernon, UT R+76
- Fairfield, UT R+69
- Spring Lake, UT R+63
Cities with Similar Populations
- Jamesville, MO R+65
- Star Lake, NY R+25
- Alverno, MI R+29
- Kilbourne, OH R+42
- Dupree, SD R+28
- Fort Lyon, CO R+48
- Yorkville, WI R+30
- Put-in-Bay, OH R+14
- Glen Campbell, PA R+67
- Pine Grove, TX R+80
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Utah Lieutenant Governor's Office, 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.