Herald, CA Political Map | Democrat & Republican Areas in Herald

Herald leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.

 
Herald, CA block-group political-lean map
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About 52% of adults in Herald typically vote, below the U.S. average of about 62%. Among adults in Herald, ~17% vote Democratic, ~35% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

Herald, CA block-group voter-turnout map
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How Herald compares

Among cities within 25 miles, Herald leans more Republican than 42 of 60 neighbors.

Herald runs about 56 points more Republican than California as a whole. California leans Democratic overall, while Herald is one of the few Republican-leaning pockets.

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

Herald votes against the grain of California. California leans Democratic overall, while Herald runs about 56 points more Republican.

Housing overcrowding and voter turnout

Places with heavy housing overcrowding tend to turn out at a lower rate; Herald, CA sits in the top tenth nationally on this measure.

Why turnout in Herald looks the way it does

Crowded housing lines up with lower turnout. About 8% of homes in Herald have more than one occupant per room, above 94% of cities. Low high-school completion lines up with lower turnout, and about 85% of adults in Herald have completed high school, below 79% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.