Bay Farm Island is a Democratic stronghold. About 75% of voters here vote Democratic and 25% Republican.
About 83% of adults in Bay Farm Island typically vote, above the U.S. average of about 62%. Among adults in Bay Farm Island, ~62% vote Democratic, ~21% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Bay Farm Island compares
Among neighborhoods within 5 miles, Bay Farm Island leans more Democratic than 3 of 42 neighbors.
Bay Farm Island runs about 30 points more Democratic than California as a whole.
Politics vary noticeably by block within Bay Farm Island. The north side is the most Democratic-leaning (D+55) and the northeast side is the least Democratic-leaning (D+45), a spread of about 10 points.
Why Bay Farm Island 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 Bay Farm Island, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 74% of adults in Bay Farm Island hold a bachelor's degree, about 45 points above the U.S. average of 28%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Bay Farm Island, Alameda, CA sits in the top quarter nationally on this measure.
Why turnout in Bay Farm Island looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bay Farm Island 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in Bay Farm Island own their home, compared to around 42% in nearby neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- East End, Alameda, CA D+65
- South Shore, Alameda, CA D+59
- Fernside, Alameda, CA D+67
- Gold Coast, Alameda, CA D+64
- Jingletown, Oakland, CA D+55
- West End, Alameda, CA D+67
- Coliseum, Oakland, CA D+59
- Melrose, Oakland, CA D+59
- Fruitvale Station, Oakland, CA D+52
- Brookfield Village, Oakland, CA D+58
Neighborhoods with Similar Populations
- Downtown, Washington, DC D+71
- Merritt, Oakland, CA D+64
- Sherman Heights, San Diego, CA D+45
- Sunbow, Chula Vista, CA D+18
- Lakeside, San Antonio, TX D+24
- Beaverdale, Des Moines, IA D+39
- Northeast Durham, Durham, NC D+51
- Midway-Coldstream, Baltimore, MD D+85
- Zilker, Austin, TX D+45
- Holly, Everett, WA D+17
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.