Bonita, CA Political Map | Democrat & Republican Areas in Bonita

By the BestNeighborhood data science team. Last updated May 2026.

Bonita leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 

About 75% of adults in Bonita typically vote, above the U.S. average of about 62%. Among adults in Bonita, ~41% vote Democratic, ~34% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.

How Bonita compares

Among cities within 25 miles, Bonita leans more Democratic than 14 of 27 neighbors.

Bonita runs about 12 points more Republican than California as a whole.

Why Bonita 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 Bonita, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 92% of residents in Bonita live in densely developed areas, about 55 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Bonita sits in the top quarter (about 43%, above 89% of cities).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Bonita, 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 Bonita looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Bonita 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.

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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.