Marina-San Francisco is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 72% of adults in Marina-San Francisco typically vote, above the U.S. average of about 62%. Among adults in Marina-San Francisco, ~58% vote Democratic, ~14% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Marina-San Francisco compares
Among neighborhoods within 5 miles, Marina-San Francisco leans more Democratic than 11 of 30 neighbors.
Marina-San Francisco runs about 42 points more Democratic than California as a whole.
Politics vary noticeably by block within Marina-San Francisco. The east side is the most Democratic-leaning (D+66) and the west side is the least Democratic-leaning (D+55), a spread of about 11 points.
Why Marina-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 Marina-San Francisco, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 83% of adults in Marina-San Francisco hold a bachelor's degree, about 55 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 57% of adults in Marina-San Francisco have never been married, above 91% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Marina-San Francisco, San Francisco, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Marina-San Francisco looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marina-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 77%, about 17 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Cow Hollow, San Francisco, CA D+64
- Pacific Heights, San Francisco, CA D+69
- Russian Hill, San Francisco, CA D+68
- Nob Hill, San Francisco, CA D+62
- Presidio Heights, San Francisco, CA D+72
- Western Addition, San Francisco, CA D+73
- Chinatown-San Francisco, San Francisco, CA D+38
- Union Square, San Francisco, CA D+59
- Downtown San Francisco, San Francisco, CA D+56
- Haight-Ashbury, San Francisco, CA D+82
Neighborhoods with Similar Populations
- Eastwood, Syracuse, NY D+37
- Neighbors Southwest, Beaverton, OR D+42
- Cambridgeport, Cambridge, MA D+77
- Poplar Grove, Salt Lake City, UT D+34
- Garfield Manor, Chicago, IL D+38
- Southwest Topeka, Topeka, KS D+8
- Pleasant Grove West, Chesapeake, VA R+31
- Magruder, Hampton, VA D+47
- Churchill, Eugene, OR D+46
- State Fair-Nolan, Highland Park, MI D+66
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.