Mira Mesa leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 56% of adults in Mira Mesa typically vote, below the U.S. average of about 62%. Among adults in Mira Mesa, ~34% vote Democratic, ~22% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Mira Mesa compares
Among neighborhoods within 5 miles, Mira Mesa leans more Democratic than 4 of 6 neighbors.
Politically, Mira Mesa sits close to the rest of California.
Politics vary noticeably by block within Mira Mesa. The northeast side is the most Democratic-leaning (D+27) and the south side is the least Democratic-leaning (D+16), a spread of about 11 points.
Why Mira Mesa leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mira 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; Mira Mesa, San Diego, CA sits in the top tenth nationally on this measure.
Why turnout in Mira Mesa looks the way it does
Crowded housing lines up with lower turnout. About 7% of homes in Mira Mesa have more than one occupant per room, above 84% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Miramar, San Diego, CA R+20
- Sorrento Valley, San Diego, CA D+26
- Scripps Ranch, San Diego, CA D+20
- Sabre Springs, San Diego, CA D+20
- Rancho Penasquitos, San Diego, CA D+21
- Carmel Valley, San Diego, CA D+29
- Carmel Mountain, San Diego, CA D+26
- North City, San Diego, CA D+24
- University City, San Diego, CA D+44
- Black Mountain Ranch, San Diego, CA D+16
Neighborhoods with Similar Populations
- Austin, Chicago, IL D+74
- Blossom Valley, San Jose, CA D+25
- Highbridge, Bronx, NY D+41
- Millcreek, Salt Lake City, UT D+34
- Forest Hills, Queens, NY D+20
- Chelsea, Manhattan, NY D+65
- Far North Dallas-Keller, Keller, TX R+16
- Downtown Miami, Miami, FL D+6
- Allston-Brighton, Brighton, MA D+63
- Greater Heights, Houston, TX D+24
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.