Westwood-San Francisco leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 52% of adults in Westwood-San Francisco typically vote, below the U.S. average of about 62%. Among adults in Westwood-San Francisco, ~36% vote Democratic, ~17% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Westwood-San Francisco compares
Among neighborhoods within 5 miles, Westwood-San Francisco leans more Democratic than 3 of 6 neighbors.
Westwood-San Francisco runs about 15 points more Democratic than California as a whole.
Politics vary noticeably by block within Westwood-San Francisco. The east side is the most Democratic-leaning (D+46) and the southwest side is the least Democratic-leaning (D+19), a spread of about 28 points.
Why Westwood-San Francisco leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Westwood-San Francisco. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; Westwood-San Francisco, Napa, CA sits in the bottom quarter nationally on this measure.
Why turnout in Westwood-San Francisco looks the way it does
Crowded housing lines up with lower turnout. About 18% of homes in Westwood-San Francisco 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
- Central Napa, Napa, CA D+39
- Beard, Napa, CA D+37
- Terrace-Shurtleff, Napa, CA D+36
- Browns Valley, Napa, CA D+30
- Vintage, Napa, CA D+28
- Linda Vista-San Francisco, Napa, CA D+24
- Flosden, Vallejo, CA D+26
- Chabot Terrace, Vallejo, CA D+48
- Harry Floyd Terrace, Vallejo, CA D+42
- Carquinez Heights, Vallejo, CA D+45
Neighborhoods with Similar Populations
- West Augusta, Augusta, GA D+6
- East Avenue, Rochester, NY D+64
- Gross Point, Wilmette, IL D+47
- Mount Pleasant-Lower Broadway, Newark, NJ D+36
- Meydenbauer, Bellevue, WA D+45
- Arlington Center, Arlington, MA D+71
- Standish, Minneapolis, MN D+76
- Sierra Springs, San Antonio, TX D+12
- Palmer, Newport News, VA D+32
- Downtown Modesto, Modesto, CA D+18
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.