Bayside is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 72% of adults in Bayside typically vote, above the U.S. average of about 62%. Among adults in Bayside, ~54% vote Democratic, ~17% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Bayside compares
Among cities within 25 miles, Bayside leans more Democratic than 27 of 29 neighbors.
Bayside runs about 32 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Bayside. The north side is the most Democratic-leaning (D+63) and the southwest side is the least Democratic-leaning (D+20), a spread of about 43 points.
Why Bayside leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Bayside, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in Bayside hold a bachelor's degree, about 26 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 32% of adults in Bayside have never been married, above 81% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Bayside, CA sits in the top quarter 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 Bayside looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Bayside have completed high school, about 10 points above the California average of 86%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Indianola, CA D+47
- Cutten, CA D+58
- Arcata, CA D+52
- Myrtletown, CA D+28
- Blue Lake, CA D+34
- Manila, CA D+34
- Eureka, CA D+27
- Korbel, CA D+36
- Kneeland, CA D+37
Cities with Similar Populations
- Lynchburg, SC D+41
- Vernon, AZ R+17
- Smith River, CA R+12
- Cibecue, AZ D+57
- Phelps, KY R+73
- Lenhartsville, PA R+42
- Upper Nyack, NY D+51
- Hildebran, NC R+53
- Sturgeon Lake, MN R+37
- Malta, NY D+3
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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.