Roosevelt-San Francisco is a Democratic stronghold. About 77% of voters here vote Democratic and 23% Republican.
About 67% of adults in Roosevelt-San Francisco typically vote, near the U.S. average of about 62%. Among adults in Roosevelt-San Francisco, ~52% vote Democratic, ~15% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Roosevelt-San Francisco compares
Among neighborhoods within 5 miles, Roosevelt-San Francisco leans more Democratic than 7 of 12 neighbors.
Roosevelt-San Francisco runs about 34 points more Democratic than California as a whole.
Politics vary noticeably by block within Roosevelt-San Francisco. The south side is the most Democratic-leaning (D+64) and the east side is the least Democratic-leaning (D+46), a spread of about 18 points.
Why Roosevelt-San Francisco 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 Roosevelt-San Francisco, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Roosevelt-San Francisco live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Roosevelt-San Francisco sits in the top quarter (about 56%, above 77% of neighborhoods).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Roosevelt-San Francisco, Redwood City, CA sits in the top quarter nationally on this measure.
Why turnout in Roosevelt-San Francisco looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Roosevelt-San Francisco is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Centennial, Redwood City, CA D+61
- Staumbaugh Heller, Redwood City, CA D+51
- Redwood Village, Redwood City, CA D+49
- Farm Hills, Redwood City, CA D+59
- Emerald Lake Hills, Redwood City, CA D+54
- Fair Oaks, North Fair Oaks, CA D+54
- West Atherton, Atherton, CA D+43
- Friendly Acres, Redwood City, CA D+47
- Downtown Menlo Park, Menlo Park, CA D+71
- Sharon Heights, Menlo Park, CA D+63
Neighborhoods with Similar Populations
- Longfellow, Emeryville, CA D+80
- Washington, Huntington Beach, CA D+5
- North Center, Chicago, IL D+67
- West Central, Spokane, WA D+32
- Roseville, San Diego, CA D+30
- Mesa Hills, El Paso, TX D+19
- Sandpointe, Santa Ana, CA D+23
- Argentine, Kansas City, KS D+16
- Merriman Valley, Akron, OH D+31
- Brookline Village Commercial District, Brookline, MA D+76
All Local Stats
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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.