Loma Linda, San Jose, CA Political Map | Democrat & Republican Areas in Loma Linda

Loma Linda leans heavily Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.

 
Loma Linda, San Jose, CA block-group political-lean map
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About 42% of adults in Loma Linda typically vote, below the U.S. average of about 62%. Among adults in Loma Linda, ~27% vote Democratic, ~15% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.

Loma Linda, San Jose, CA block-group voter-turnout map
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How Loma Linda compares

Among neighborhoods within 5 miles, Loma Linda is the least Democratic-leaning.

Loma Linda runs about 10 points more Democratic than California as a whole.

Why Loma Linda leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Loma Linda, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 84% of adults in Loma Linda hold a bachelor's degree, about 56 points above the U.S. average of 28%. Dense areas vote Democratic, and Loma Linda sits in the top fifth on density (more than 99%, above 89% of neighborhoods).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Loma Linda, San Jose, CA sits in the top tenth 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 Loma Linda looks the way it does

Renters vote less often than owners. About 92% of households in Loma Linda rent, about 67 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Loma Linda sits in the top quarter on routine-care measures. Crowded housing lines up with lower turnout, and about 30% of homes in Loma Linda have more than one occupant per room, in the top fraction of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.