Rancho San Antonio, Oakland, CA Political Map | Democrat & Republican Areas in Rancho San Antonio

Rancho San Antonio is a Democratic stronghold. About 75% of voters here vote Democratic and 25% Republican.

 
Rancho San Antonio, Oakland, CA block-group political-lean map
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About 36% of adults in Rancho San Antonio typically vote, below the U.S. average of about 62%. Among adults in Rancho San Antonio, ~27% vote Democratic, ~9% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.

Rancho San Antonio, Oakland, CA block-group voter-turnout map
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How Rancho San Antonio compares

Among neighborhoods within 5 miles, Rancho San Antonio is the least Democratic-leaning.

Rancho San Antonio runs about 30 points more Democratic than California as a whole.

Why Rancho San Antonio 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 Rancho San Antonio, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Rancho San Antonio live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 53% of adults in Rancho San Antonio have never been married, above 86% of neighborhoods.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Rancho San Antonio, Oakland, 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 Rancho San Antonio looks the way it does

Areas with high food insecurity turn out at lower rates. About 29% of adults in Rancho San Antonio report food insecurity, about 13 points above the U.S. average of 16%. Renters vote less often than owners, and about 69% of households in Rancho San Antonio rent, about 44 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and Rancho San Antonio sits in the top 15% on a violent-crime measure. 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.