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

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

Hayward leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.

 

About 43% of adults in Hayward typically vote, below the U.S. average of about 62%. Among adults in Hayward, ~30% vote Democratic, ~13% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.

How Hayward compares

Among cities within 25 miles, Hayward leans more Democratic than 26 of 78 neighbors.

Hayward runs about 18 points more Democratic than California as a whole.

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

Dense areas vote Democratic. About 94% of residents in Hayward live in densely developed areas, about 58 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Hayward sits in the top quarter (about 32%, above 78% of cities). A high never-married share predicts Democratic voting, and about 38% of adults in Hayward have never been married, above 91% of cities.

Paved land cover and Democratic lean

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

Renters vote less often than owners. About 42% of households in Hayward rent, about 17 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Hayward sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 20% of adults in Hayward report food insecurity, above 81% of cities. 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.