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

Alma leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.

 
Alma, San Jose, CA block-group political-lean map
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About 38% of adults in Alma typically vote, below the U.S. average of about 62%. Among adults in Alma, ~26% vote Democratic, ~12% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.

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

Among neighborhoods within 5 miles, Alma leans more Democratic than 7 of 12 neighbors.

Alma runs about 16 points more Democratic than California as a whole.

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

Dense areas vote Democratic. More than 99% of residents in Alma live in densely developed areas, about 64 points above the U.S. average of 36%.

Walkability and Democratic lean

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

Areas with limited routine healthcare access turn out at lower rates. Alma is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 65% of households in Alma rent, compared to around 45% in nearby neighborhoods. High food insecurity lines up with lower turnout, and about 28% of adults in Alma report food insecurity, above 80% 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.