Volcano leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 82% of adults in Volcano typically vote, above the U.S. average of about 62%. Among adults in Volcano, ~29% vote Democratic, ~53% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Volcano compares
Among cities within 25 miles, Volcano leans more Republican than 28 of 47 neighbors.
Volcano runs about 50 points more Republican than California as a whole. California leans Democratic overall, while Volcano is one of the few Republican-leaning pockets.
Why Volcano 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 Volcano, not a ranked or complete list of what matters most.
Volcano votes against the grain of California. California leans Democratic overall, while Volcano runs about 50 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Volcano, CA sits in the top 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 Volcano looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Volcano is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 67%, about 7 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Volcano own their home, about 16 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Kit Carson, CA R+28
- Pioneer, CA R+28
- Pine Grove, CA R+29
- Fiddletown, CA R+29
- West Point, CA R+25
- Mount Aukum, CA R+30
- Omo Ranch, CA R+29
- River Pines, CA R+34
- Glencoe, CA R+27
- Wilseyville, CA R+26
Cities with Similar Populations
- Theriot, LA R+79
- Newport Center, VT R+28
- Uneedus, LA R+63
- Port Norris, NJ R+27
- Paxtang, PA D+25
- Kaaawa, HI D+19
- Avant, OK R+69
- Burdett, NY R+3
- Alexis, NC R+57
- South Beach, OR D+26
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from California 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.