Jackson Triangle leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 36% of adults in Jackson Triangle typically vote, below the U.S. average of about 62%. Among adults in Jackson Triangle, ~25% vote Democratic, ~11% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How Jackson Triangle compares
Among neighborhoods within 5 miles, Jackson Triangle leans more Democratic than 10 of 21 neighbors.
Jackson Triangle runs about 18 points more Democratic than California as a whole.
Why Jackson Triangle 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 Jackson Triangle, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Jackson Triangle live in densely developed areas, about 64 points above the U.S. average of 36%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Jackson Triangle, Hayward, CA sits in the top tenth nationally on this measure.
Why turnout in Jackson Triangle looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Jackson Triangle 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 65% of households in Jackson Triangle rent, compared to around 48% in nearby neighborhoods. Crowded housing lines up with lower turnout, and about 15% of homes in Jackson Triangle have more than one occupant per room, above 96% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Mission-Foothill, Hayward, CA D+43
- Whitman-Mocine, Hayward, CA D+33
- Burbank-Hayward, Hayward, CA D+42
- Santa Clara Street, Hayward, CA D+39
- Harder-Tennyson, Hayward, CA D+37
- Southgate, Hayward, CA D+39
- Longwood-Winton Grove, Hayward, CA D+37
- Upper B Street, Hayward, CA D+45
- North Hayward, Hayward, CA D+42
- Mt Eden, Hayward, CA D+30
Neighborhoods with Similar Populations
- Sulphur Springs, Tampa, FL D+43
- Lake Nona, Orlando, FL R+4
- Trinity-Houston Gardens, Houston, TX D+71
- Bevo Mill, St. Louis, MO D+40
- West End, Billings, MT R+20
- Ceder Grove-Lynbrook, Shreveport, LA D+81
- Lower Roseville, Newark, NJ D+48
- West Henderson, Henderson, NV Even
- Kelvyn Grove, Chicago, IL D+35
- West A, Lincoln, NE D+2
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.