Western Addition is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 61% of adults in Western Addition typically vote, near the U.S. average of about 62%. Among adults in Western Addition, ~53% vote Democratic, ~9% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Western Addition compares
Among neighborhoods within 5 miles, Western Addition leans more Democratic than 33 of 42 neighbors.
Western Addition runs about 52 points more Democratic than California as a whole.
Politics vary noticeably by block within Western Addition. The southwest side is the most Democratic-leaning (D+83) and the east side is the least Democratic-leaning (D+59), a spread of about 24 points.
Why Western Addition 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 Western Addition, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 68% of adults in Western Addition hold a bachelor's degree, about 39 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 53% of adults in Western Addition have never been married, above 86% of neighborhoods.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Western Addition, San Francisco, CA sits in the top tenth nationally on this measure.
Why turnout in Western Addition looks the way it does
Renters vote less often than owners. About 78% of households in Western Addition rent, about 53 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and Western Addition sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Duboce Triangle, San Francisco, CA D+83
- Pacific Heights, San Francisco, CA D+69
- Downtown San Francisco, San Francisco, CA D+56
- Haight-Ashbury, San Francisco, CA D+82
- Presidio Heights, San Francisco, CA D+72
- Nob Hill, San Francisco, CA D+62
- Cow Hollow, San Francisco, CA D+64
- Union Square, San Francisco, CA D+59
- Castro-Upper Market, San Francisco, CA D+82
- Cole Valley, San Francisco, CA D+82
Neighborhoods with Similar Populations
- Southeast Arlington, Arlington, TX D+26
- Fordham, Bronx, NY D+36
- The Heights, Jersey City, NJ D+30
- Woodward Park, Fresno, CA R+7
- Gramercy, Manhattan, NY D+65
- Winnetka Heights, Dallas, TX D+36
- Lake Highlands, Dallas, TX D+33
- Centennial Hills, Las Vegas, NV Even
- Flagami, Miami, FL R+35
- Santa Teresa, San Jose, CA D+26
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.