Humboldt County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 72% of adults in Humboldt County typically vote, above the U.S. average of about 62%. Among adults in Humboldt County, ~17% vote Democratic, ~55% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Humboldt County compares
Humboldt County runs about 50 points more Republican than Nevada as a whole.
Politics vary noticeably by city within Humboldt County. The west side is the most Republican-leaning (R+69) and the north side is the least Republican-leaning (R+15), a spread of about 54 points.
Why Humboldt County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Humboldt County. The lean here lands roughly where demographic data alone would predict.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Humboldt County, NV sits in the bottom quarter nationally on this measure.
Why turnout in Humboldt County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Humboldt County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Lander County, NV R+63
- Pershing County, NV R+52
- Eureka County, NV R+72
- Elko County, NV R+46
- Churchill County, NV R+44
- Lyon County, NV R+42
- Washoe County, NV D+3
- Storey County, NV R+40
- Modoc County, CA R+44
- Lassen County, CA R+37
Counties with Similar Populations
- Sharp County, AR R+62
- Richland County, WI R+19
- Union County, IL R+48
- Chester County, TN R+61
- Cook County, GA R+34
- Drew County, AR R+25
- Manassas Park City, VA D+19
- Bristol City, VA R+32
- Pitkin County, CO D+40
- Ben Hill County, GA R+17
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.