South Bank, Oxnard, CA Political Map | Democrat & Republican Areas in South Bank

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

 
South Bank, Oxnard, CA block-group political-lean map
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About 44% of adults in South Bank typically vote, below the U.S. average of about 62%. Among adults in South Bank, ~29% vote Democratic, ~15% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

South Bank, Oxnard, CA block-group voter-turnout map
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How South Bank compares

Among neighborhoods within 5 miles, South Bank leans more Democratic than 4 of 18 neighbors.

South Bank runs about 10 points more Democratic than California as a whole.

Why South Bank leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in South Bank. The lean here lands roughly where demographic data alone would predict.

Walkability and Democratic lean

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

Crowded housing lines up with lower turnout. About 13% of homes in South Bank have more than one occupant per room, above 95% 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.