Eureka County is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 56% of adults in Eureka County typically vote, below the U.S. average of about 62%. Among adults in Eureka County, ~8% vote Democratic, ~48% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Eureka County compares
Eureka County runs about 69 points more Republican than Nevada as a whole.
Politics vary noticeably by city within Eureka County. The west side is the most Republican-leaning (R+78) and the east side is the least Republican-leaning (R+63), a spread of about 14 points.
Why Eureka County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Eureka County, not a ranked or complete list of what matters most.
Rural areas vote Republican. Fewer than 1% of residents in Eureka County live in densely developed areas, about 43 points below the Nevada average of 44%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Eureka County, NV sits in the bottom tenth nationally 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 Eureka County looks the way it does
Crowded housing lines up with lower turnout. About 8% of homes in Eureka County have more than one occupant per room, above 98% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Lander County, NV R+63
- Elko County, NV R+46
- White Pine County, NV R+60
- Humboldt County, NV R+53
- Pershing County, NV R+52
- Churchill County, NV R+44
- Mineral County, NV R+40
- Lyon County, NV R+42
- Esmeralda County, NV R+61
- Lincoln County, NV R+66
Counties with Similar Populations
- Armstrong County, TX R+77
- Sherman County, OR R+59
- Haakon County, SD R+71
- Deuel County, NE R+71
- Garden County, NE R+70
- Logan County, ND R+75
- Oliver County, ND R+67
- Gosper County, NE R+72
- Garfield County, NE R+66
- Boyd County, NE R+75
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Sources and methodology
Precinct-level voting records used to fit the model come from Nevada 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.