Hidden Valley Lake leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 85% of adults in Hidden Valley Lake typically vote, above the U.S. average of about 62%. Among adults in Hidden Valley Lake, ~37% vote Democratic, ~48% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Hidden Valley Lake compares
Among cities within 25 miles, Hidden Valley Lake leans more Republican than 27 of 33 neighbors.
Hidden Valley Lake runs about 33 points more Republican than California as a whole. California leans Democratic overall, while Hidden Valley Lake is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Hidden Valley Lake. The east side is the most Republican-leaning (R+17) and the northwest side is the least Republican-leaning (R+6), a spread of about 11 points.
Why Hidden Valley Lake 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 Hidden Valley Lake, not a ranked or complete list of what matters most.
Hidden Valley Lake votes Republican even though it is densely developed (about 34%, well below the California average of 58%). Here an older population outweighs the Democratic lean that density usually predicts. Hidden Valley Lake runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Hidden Valley Lake, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Hidden Valley Lake looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Hidden Valley Lake have completed high school, about 10 points above the California average of 86%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Middletown, CA R+9
- Whispering Pines, CA R+21
- Lower Lake, CA R+9
- Rumsey, CA R+17
- Seigler Springs, CA D+4
- Cobb, CA D+5
- Loch Lomond, CA Even
- Clearlake, CA Even
- Pope Valley, CA R+4
- Kellog, CA D+25
Cities with Similar Populations
- Centerburg, OH R+57
- Millen, GA R+13
- Danielsville, GA R+73
- Stevens, PA R+45
- Calistoga, CA D+41
- Palacios, TX R+45
- Ashville, OH R+48
- Prospect Park, PA Even
- Hamilton, MI R+46
- Frackville, PA R+22
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.