Hudson, San Bernardino, CA Political Map | Democrat & Republican Areas in Hudson

Hudson leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 
Hudson, San Bernardino, CA block-group political-lean map
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About 46% of adults in Hudson typically vote, below the U.S. average of about 62%. Among adults in Hudson, ~26% vote Democratic, ~20% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.

Hudson, San Bernardino, CA block-group voter-turnout map
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How Hudson compares

Among neighborhoods within 5 miles, Hudson leans more Democratic than 5 of 27 neighbors.

Hudson runs about 8 points more Republican than California as a whole.

Politics vary noticeably by block within Hudson. The west side is the most Democratic-leaning (D+28) and the southwest side is the least Democratic-leaning (D+7), a spread of about 21 points.

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

Areas with many never-married adults vote Democratic. About 47% of adults in Hudson have never been married, modestly above similar-sized neighborhoods (around 40%).

Population density and Democratic lean

Places with high population density tend to lean Democratic; Hudson, San Bernardino, CA sits in the top quarter nationally on this measure.

Why turnout in Hudson looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Hudson is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 14% of homes in Hudson 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.