Port Hueneme, CA Political Map | Democrat & Republican Areas in Port Hueneme

By the BestNeighborhood data science team. Last updated May 2026.

Port Hueneme leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 52% of adults in Port Hueneme typically vote, below the U.S. average of about 62%. Among adults in Port Hueneme, ~32% vote Democratic, ~20% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

How Port Hueneme compares

Among cities within 25 miles, Port Hueneme leans more Democratic than 25 of 28 neighbors.

Politically, Port Hueneme sits close to the rest of California.

Politics vary noticeably by neighborhood within Port Hueneme. The northeast side runs the most Democratic (D+30) and the southeast side runs the most Republican (Even), a spread of about 31 points.

Why Port Hueneme leans the way it does

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

Dense areas vote Democratic. About 93% of residents in Port Hueneme live in densely developed areas, about 57 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 37% of adults in Port Hueneme have never been married, above 91% of cities.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Port Hueneme, 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 Port Hueneme looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Port Hueneme 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 52% of households in Port Hueneme rent, about 27 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 21% of adults in Port Hueneme report food insecurity, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.