Clearlake Oaks is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 68% of adults in Clearlake Oaks typically vote, above the U.S. average of about 62%. Among adults in Clearlake Oaks, ~33% vote Democratic, ~35% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Clearlake Oaks compares
Among cities within 25 miles, Clearlake Oaks sits roughly in the middle of the political spectrum, with 9 neighbors leaning further in the place's direction and 17 leaning the other way.
Clearlake Oaks runs about 22 points more Republican than California as a whole. California leans Democratic overall, while Clearlake Oaks sits closer to the political middle.
Politics vary noticeably by neighborhood within Clearlake Oaks. The northwest side runs the most Democratic (D+5) and the southeast side runs the most Republican (R+16), a spread of about 21 points.
Why Clearlake Oaks 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 Clearlake Oaks, not a ranked or complete list of what matters most.
Clearlake Oaks votes against the grain of California. California leans Democratic overall, while Clearlake Oaks runs about 22 points more Republican.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Clearlake Oaks, CA sits in the top quarter nationally on this measure.
Why turnout in Clearlake Oaks looks the way it does
Turnout in Clearlake Oaks sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Clearlake Park, CA R+8
- Glenhaven, CA D+8
- Clearlake, CA Even
- Lucerne, CA R+10
- Kelseyville, CA D+2
- Soda Bay, CA Even
- Lower Lake, CA R+9
- Wilbur Springs, CA R+13
- Seigler Springs, CA D+4
- Nice, CA R+3
Cities with Similar Populations
- Lakehurst, NJ R+18
- North Shore, LA D+22
- North Hampton, NH D+7
- Peach Bottom, PA R+59
- Chester, WV R+51
- New Haven, MO R+56
- Valdez, AK R+33
- Camden, NC R+47
- Palmyra, VA R+26
- Ekron, KY R+56
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.