Coronado leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 68% of adults in Coronado typically vote, above the U.S. average of about 62%. Among adults in Coronado, ~39% vote Democratic, ~29% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Coronado compares
Among cities within 25 miles, Coronado leans more Democratic than 14 of 26 neighbors.
Coronado runs about 5 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Coronado. The southwest side is the most Democratic-leaning (D+28) and the northwest side is the least Democratic-leaning (D+8), a spread of about 20 points.
Why Coronado 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 Coronado, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 78% of residents in Coronado live in densely developed areas, about 42 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Coronado sits in the top quarter (about 60%, above 97% of cities). A high never-married share predicts Democratic voting, and about 34% of adults in Coronado have never been married, above 85% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Coronado, CA sits in the top tenth 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 Coronado looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Coronado 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Coronado have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- National City, CA D+24
- Imperial Beach, CA D+16
- San Diego, CA D+17
- Lemon Grove, CA D+22
- Bonita, CA D+8
- Chula Vista, CA D+18
- La Presa, CA D+18
- La Mesa, CA D+24
- San Ysidro, CA D+24
- Spring Valley, CA D+11
Cities with Similar Populations
- Davidson, NC Even
- Collinsville, OK R+38
- North Salt Lake, UT R+5
- Sunland, CA Even
- Haslett, MI D+31
- Coralville, IA D+44
- Kingsland, GA R+30
- Nederland, TX R+38
- Clifton, CO R+26
- Corinth, MS R+47
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.