Sugerloaf leans heavily Democratic by roughly 50 points: about 75% of voters vote Democratic and 25% Republican.
About 70% of adults in Sugerloaf typically vote, above the U.S. average of about 62%. Among adults in Sugerloaf, ~52% vote Democratic, ~18% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Sugerloaf compares
Among neighborhoods within 5 miles, Sugerloaf leans more Democratic than 4 of 12 neighbors.
Sugerloaf runs about 30 points more Democratic than California as a whole.
Why Sugerloaf 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 Sugerloaf, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 59% of adults in Sugerloaf hold a bachelor's degree, about 30 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Sugerloaf, San Mateo, CA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Sugerloaf looks the way it does
Turnout in Sugerloaf sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Beresford, San Mateo, CA D+52
- Hillsdale, San Mateo, CA D+50
- Western Hills, San Mateo, CA D+41
- Marina Lagoon, San Mateo, CA D+50
- Haywood Park, San Mateo, CA D+52
- Baywood-Aragon, San Mateo, CA D+51
- Downtown San Mateo, San Mateo, CA D+55
- East San Mateo, San Mateo, CA D+40
- Shoreview, San Mateo, CA D+44
- North Central San Francisco, San Mateo, CA D+50
Neighborhoods with Similar Populations
- Downtown Cleveland, Cleveland, OH D+58
- Black Forest, Colorado Springs, CO R+34
- Forest Glen, Chicago, IL D+25
- Buckeye-Shaker, Cleveland, OH D+83
- Colorado University, Boulder, CO D+62
- Jamestown, Hephzibah, GA D+71
- Eastmoor, Columbus, OH D+56
- Dilworth, Charlotte, NC D+34
- Beechfielf-Irvington Area, Baltimore, MD D+83
- North Hill, Spokane, WA D+10
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.