Belle Haven is a Democratic stronghold. About 75% of voters here vote Democratic and 25% Republican.
About 41% of adults in Belle Haven typically vote, below the U.S. average of about 62%. Among adults in Belle Haven, ~31% vote Democratic, ~10% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How Belle Haven compares
Among neighborhoods within 5 miles, Belle Haven leans more Democratic than 8 of 19 neighbors.
Belle Haven runs about 30 points more Democratic than California as a whole.
Why Belle Haven 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 Belle Haven, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Belle Haven live in densely developed areas, about 64 points above the U.S. average of 36%.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Belle Haven, Menlo Park, CA does.
Why turnout in Belle Haven looks the way it does
Crowded housing lines up with lower turnout. About 18% of homes in Belle Haven have more than one occupant per room, above 98% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Crescent Park, Palo Alto, CA D+68
- Downtown North San Jose, Palo Alto, CA D+64
- Friendly Acres, Redwood City, CA D+47
- University South, Palo Alto, CA D+66
- Downtown Menlo Park, Menlo Park, CA D+71
- Duveneck-Saint Francis, Palo Alto, CA D+44
- Fair Oaks, North Fair Oaks, CA D+54
- West Atherton, Atherton, CA D+43
- Old Palo Alto, Palo Alto, CA D+69
- Redwood Village, Redwood City, CA D+49
Neighborhoods with Similar Populations
- Crabapple, Milton, GA R+6
- Dearborn Hills, Dearborn, MI Even
- Atlantic City Inlet, Atlantic City, NJ D+57
- Biedeman, Camden, NJ D+43
- Tri-Village, Columbus, OH D+48
- West End, Duluth, MN D+32
- Coeur D'Alene Place, Coeur d'Alene, ID R+43
- North Stonehurst, Oakland, CA D+59
- Indian Springs, The Woodlands, TX R+34
- Groesbeck, Cincinnati, OH R+4
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.