Cal-Gisler, Oxnard, CA Political Map | Democrat & Republican Areas in Cal-Gisler

Cal-Gisler leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.

 
Cal-Gisler, Oxnard, CA block-group political-lean map
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About 38% of adults in Cal-Gisler typically vote, below the U.S. average of about 62%. Among adults in Cal-Gisler, ~27% vote Democratic, ~11% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.

Cal-Gisler, Oxnard, CA block-group voter-turnout map
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How Cal-Gisler compares

Among neighborhoods within 5 miles, Cal-Gisler is the most Democratic-leaning.

Cal-Gisler runs about 21 points more Democratic than California as a whole.

Why Cal-Gisler 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 Cal-Gisler, not a ranked or complete list of what matters most.

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

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Cal-Gisler, Oxnard, CA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Cal-Gisler looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Cal-Gisler is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 24%, about 14 points above the California average of 10%. High food insecurity lines up with lower turnout, and about 34% of adults in Cal-Gisler report food insecurity, above 88% of neighborhoods. Low high-school completion lines up with lower turnout, and about 62% of adults in Cal-Gisler have completed high school, below 98% 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.