Clairemont Mesa leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 72% of adults in Clairemont Mesa typically vote, above the U.S. average of about 62%. Among adults in Clairemont Mesa, ~44% vote Democratic, ~27% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Clairemont Mesa compares
Among neighborhoods within 5 miles, Clairemont Mesa leans more Democratic than 1 of 18 neighbors.
Politically, Clairemont Mesa sits close to the rest of California.
Why Clairemont Mesa leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Clairemont Mesa. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Clairemont Mesa, San Diego, CA sits in the top quarter nationally on this measure.
Why turnout in Clairemont Mesa looks the way it does
Turnout in Clairemont Mesa 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 Neighborhoods
- North Clairemont, San Diego, CA D+25
- Kearny Mesa, San Diego, CA D+25
- Bird Land, San Diego, CA D+32
- Bay Park, San Diego, CA D+30
- Bay Ho, San Diego, CA D+27
- Linda Vista, San Diego, CA D+28
- Serra Mesa, San Diego, CA D+30
- Moreno Mission, San Diego, CA D+40
- Mission Valley East, San Diego, CA D+33
- University City, San Diego, CA D+44
Neighborhoods with Similar Populations
- Throgs Neck-Edgewater Park, Bronx, NY D+4
- West University, Houston, TX D+14
- Avondale, Chicago, IL D+61
- Charter Oak, Covina, CA D+9
- La Sierra, Riverside, CA D+9
- South Shore, Chicago, IL D+83
- North Valleys, Reno, NV R+3
- Roseland, Chicago, IL D+84
- Seaport, Stockton, CA D+27
- Little Woods, New Orleans, LA D+83
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.